Contributors

Name Publications
Arias Martínez, Benito 112
Gómez Sánchez, Laura Elisabet 104
González Gil, Francisca 51
Castaño Calle, Raimundo 48
Martín Cilleros, María Victoria 40
Posada de la Paz, Manuel 35
BADIA CORBELLA, MARTA 35
Contador Castillo, Israel 34
Fernández Calvo, Bernardino 33
Schalock, Robert L. 30
Díez Villoria, Emiliano 30
ORGAZ BAZ, MARÍA BEGOÑA 29
Torre, Isabel de la 29
Cruz Ortiz, Maribel 27
Guillén-Martín, Verónica Marina 27
Magán Maganto, María del Carmen 26
Calvo Alvarez, María Isabel 23
Sánchez Gómez, María Cruz 23
Martín Pastor, María Elena 23
Gutiérrez Bermejo, Belén 21
Crespo Cuadrado, Manuela 21
Poy Castro, Raquel 21
Vicente Sánchez, Eva 20
Santamaría Domínguez, Mónica 19
Wehmeyer, Michael L. 18
Perea Bartolomé, María Victoria 16
FERNÁNDEZ PULIDO, RAMÓN 16
Vega Córdova, Vanessa 16
TORRES APOLO, VÍCTOR ANDRÉS 16
García Primo, Patricia 15
Guisuraga Fernández, Zoila 15
Góngora Alonso, Susel 14
ARANA MARTÍNEZ, JOSÉ MARÍA 13
ORTIZ ORIA, VICENTE MANUEL 13
Zubiauz de Pedro, Begoña Amparo 13
Gómez Benito, Juana 13
Pérez Martín, María 13
Muñoz Sánchez, Juan Luis 13
Alcedo Rodríguez, María Ángeles 12
Mayor Cinca, María Ángeles 12
Conde López, Valentín 12
Morán Suárez, María Lucía 12
Parra Vidales, Esther 12
Monsalve González, Asunción 11
Gómez Martínez, María Angeles 11
Guilera Ferré, Georgina 11
SANTOS BORBUJO, JOSÉ 11
Ibáñez García, Alba 11
García Meilán, Juan José 11
Porras Navalón, Pilar 10
Manga, Dionisio 10
Martínez-Molina, Agustín 10
Antón Rubio, María Concepción 10
Tomsa, Raluca 10
Irazoki Sánchez, Eider 10
Caballo Manrique, Vicente E. 9
Moro Gutiérrez, Lourdes 9
García Peñalvo, Francisco José 9
Echeita Sarrionandia, Gerardo 9
Martín-Ingelmo, Raquel 9
Herráez García, María del Mar 9
Hernández Fabián, Aránzazu 9
García Casal, Jesús Antonio 9
Castillo Sánchez, G. 9
Vázquez Martínez, Andrea 9
Prieto Adánez, Gerardo Alfonso 8
Vieta i Pascual, Eduard 8
Córdoba Andrade, Leonor 8
Moreno Rosset, Carmen 8
Rodríguez Aguilella, Alba 8
Vicent, Carmen 8
Crespo Facorro, Benedicto 8
Monardes Seemann, Claudia 8
Pérez Rodríguez, María del Carmen 8
Parra, Esther 8
SANTOS LABRADOR, RICARDO MANUEL 8
Núñez, Daniel E. 8
Jiménez García-Tizón, Sara 8
Ullán de la Fuente, Ana María 7
Rejas Gutiérrez, Javier 7
Campo Blanco, Maribel 7
Tabarés Seisdedos, Rafael 7
Rojo Rodés, Emilio 7
Sainz Modinos, Fabián 7
Bernardo Arroyo, Miquel 7
Arroyo Anlló, Eva María 7
Sainz de Abajo, Beatriz 7
Vega Hernández, María Concepción 7
Wöbbeking Sánchez, Marina 7
Rodríguez Medina, Jairo 7
Salas Muriel, Rafael Antonio 7
Wojcik, Dominika Zofia 7
Lettieri, Andrea 7
MAHMOUDI ASL, AYSAN 7
Macías Fernández, José Angel 6
Rodríguez Navarro, Henar 6
Zaldívar Basurto, Flor 6
Tassé, Marc J. 6
Simón, M. A. 6
Bermejo Pareja, Félix 6
Torres Gómez de Cádiz, Bárbara 6
Antequera Jurado, Rosario 6
Fontanil Gómez, Yolanda 6
Fuentes Biggi, J. 6
Fernández Mateos, Luz María 6
López Lucas, Jesús 6
Lachapelle, Yves 6
Aparicio Sánchez, David 6
Gutiérrez Ortega, Mónica 6
Rovelo Escoto, Nubia Carolina 6
Ruisoto Palomera, Pablo 6
Sánchez Gómez, Victoria Carolina 6
YON HERNÁNDEZ, JO ANN 6
Lugo Marín, Jorge 6
Sánchez Herráez, Beatriz 6
Coloma Alonso, Rocío 6
González Catón, Noelia 6
Redondo García, Silvia 6
Gómez de Arriba, Celia 6
CONTRERAS SOMOZA, LESLIE MARÍA 6
Sabeh, Eliana N. 5
GARCÍA PÉREZ, MARÍA CARMEN 5
Yela Bernabé, Jose Ramón 5
Tamarit Cuadrado, Javier 5
Isidoro García, María 5
Losada Durán, Raquel 5
González Ortega, Eva 5
Mateos Álvarez, Raimundo 5
Bueno Aguado, Yolanda 5
Thompson, James R. 5
Longo Araújo de Melo, Egmar 5
Bagnato Núñez, María José 5
González Palau, Fátima 5
García Holgado, Alicia 5
Herráez García, Lorena 5
Llanes Álvarez, Carlos 5
Sevilla Santo, Dora Esperanza 5
Pérez Muñoz, Salvador 5
MOLINARI ULATE, MAURICIO 5
Santos González, Maria Cristina 5
Rodríguez Gudiño, Margarita 5
Otero Requeijo, Marian 5
Jiménez Gómez, Laura 5
Vellaz Zamorano, Aránzazu 5
MANSO DE DIOS, SARA 5
Giné Giné, Climent 4
Luckasson, Ruth A. 4
Fontal Merillas, Olaia 4
Sandín, Bonifacio 4
Orihuela Villameriel, Teresa 4
Pérez Turiel, Javier 4
Fraile Marinero, Juan Carlos 4
Belloch Fuster, Amparo 4
Crego Díaz, Antonio 4
Al-Halabí Díaz, Susana 4
RONCERO ALONSO, CARLOS 4
Ballesteros Alcalde, María del Carmen 4
Picado Valverde, Eva María 4
Rivera Navarro, Jesús 4
Carro Ramos, Juan 4
Martínez Velarte, María 4
Yurrebaso Macho, Amaia 4
Shogren, Karrie A. 4
Borthwick-Duffy, Sharon 4
Spreat, Scott 4
Monforte Porto, J.A. 4
Sancho Alonso, Isabel 4
Ruiz Simón, Nerea 4
Benito Iglesias, María del Carmen 4
Vicario Molina, Isabel 4
J. P. C. Rodrigues, Joel 4
Martínez Abad, Fernando 4
Belinchón Carmona, Mercedes 4
Bohórquez, Diana 4
Villanueva Blasco, Víctor J. 4
Beltrán García, Marina 4
Sánchez Fuentes, Sergio 4
López-Coronado, Miguel 4
Dorta Lorenzo, Esther 4
Monroy Pérez, María Luisa 4
Álvarez Navares, Ana Isabel 4
Vicente Arruebarrena, Aitor 4
Jordán de Urríes, Borja 4
Heras Pozas, Inés 4
Esteban Sánchez, Laura 4
CARRASCAL LASO, LORENA 4
López Andrés, Victoria 4
Martín Martín, Sonsoles 4
Iglesias Antón, Alba 4
García Nasri, Aisa 4
Ayuso Bartol, Antonio 4
Viñas, Pablo F. 4
Chattat, Rabih 4
Crespo Castizo, Roque 4
de Rojas Hernández, Camino 4
Pastor Noriega, Cristina 4
Rivière Gómez, Ángel 3
Fernández-Hawrylak, María 3
Reeve, Alya 3
Simón Rueda, Cecilia 3
Cruz, María Isabel 3
Sandoval Mena, Marta 3
Montejo González, Ángel Luis 3
Botella Arbona, Cristina 3
García-Zapirain, Begoña 3
Villarejo Galende, Alberto 3
Craig, Ellis M. 3
Saúl Gutiérrez, Luis Ángel 3
PINO MONTES, JAVIER DEL 3
Ramos-Quiroga, Josep Antoni 3
Snell Miller, Martha E. 3
Irurtia Muñiz, María Jesús 3
Robaina Palmés, Francisco 3
Skotko, Brian 3
Salazar Torres, Isabel Cristina 3
Boada Muñoz, Leticia 3
Hernández Martín, Lorenzo 3
Menezes de Lucena Carvalho, Virginia A. 3
Ruiz Fernández, María Isabel 3
Coulter, David L. 3

Collaboration Research Centres

Name Type Country Publications
Universidad de Valladolid University Spain 90
Universidad de Oviedo University Spain 79
Universidad Pontificia de Salamanca University Spain 51
Hospital Virgen de la Concha Hospital Spain 44
Instituto de Salud Carlos III Research Centre Spain 32
Hospital Universitario Pío del Río Hortega Hospital Spain 28
Universidad de Talca University Chile 22
Hastings College University United States 22
Hospital Universitario de Salamanca Hospital Spain 19
Universitat de Barcelona University Spain 18
Universitat de València University Spain 17
Universidad Autónoma de San Luis Potosí University Mexico 17
Trimbos Institute Research Centre Netherlands 16
Universidad de Cantabria University Spain 15
Universidad de Zaragoza University Spain 15
Ghent University University Belgium 15
Pontificia Universidad Católica de Valparaíso University Chile 15
King's College London University United Kingdom 15
Universidad Autónoma de Madrid University Spain 13
Universidade Federal da Paraíba University Brazil 13
Universidad Nacional de Educación a Distancia University Spain 12
Universidad de León University Spain 10
Universidad del País Vasco/Euskal Herriko Unibertsitatea University Spain 10
Hospital Universitario 12 de Octubre Hospital Spain 10
University of Warsaw University Poland 10
University of Kansas University United States 10
Universidad de Granada University Spain 9
Hospital Universitario Marqués de Valdecilla Hospital Spain 9
University of Groningen University Netherlands 9
University of Bucharest University Romania 9
University of Oulu University Finland 9
Instituto de Neurociencias de Castilla y León Research Centre Spain 9
Hospital Clinic Barcelona Hospital Spain 8
Hospital Virgen del Camino Hospital Spain 8
Charles University in Prague University Czechia 8
Medical University of Vienna University Austria 8
Hospital Ramón y Cajal Hospital Spain 7
Hospital Universitario de Valladolid Hospital Spain 7
Instituto de Investigación Biomédica de Salamanca Research Centre Spain 7
Aarhus University University Denmark 7
Pontificia Universidad Católica de Chile University Chile 7
Dublin City University University Ireland 7
Ohio State University University United States 7
Karolinska Institute Research Centre Sweden 7
Pfizer (United States) Other United States 7
Instituto Nacional de Saúde Dr. Ricardo Jorge Research Centre Portugal 7
Istituto Superiore di Sanità University Italy 7
Universidad Complutense de Madrid University Spain 6
Universidad de Córdoba University Spain 6
Universidad Internacional de Valencia University Spain 6
Universidad Católica Santa Teresa de Jesús de Ávila University Spain 6
Centro de Investigacion Biomedica en Red de Salud Mental Research Centre Spain 6
University of Pisa University Italy 6
Maastricht University University Netherlands 6
University of Queensland University Australia 6
University of Padua University Italy 6
Universidade Do Porto University Portugal 6
University of Alberta University Canada 6
Oslo University Hospital Hospital Norway 6
University College London University United Kingdom 6
Universidad de Deusto University Spain 5
Hospital Vall d'Hebron Hospital Spain 5
Hospital Miguel Servet Hospital Spain 5
Mutua de Terrassa Hospital Spain 5
Radboud University Nijmegen University Netherlands 5
Université de Toulouse University France 5
Radboud University Nijmegen Medical Centre Hospital Netherlands 5
Medical University Plovdiv University Bulgaria 5
Universitat Autònoma de Barcelona University Spain 4
Universidad Internacional de La Rioja University Spain 4
Universidad de Sevilla University Spain 4
Hospital General Universitario Gregorio Marañón Hospital Spain 4
Hospital del Mar Hospital Spain 4
Hospital de Sabadell Hospital Spain 4
Complejo Asistencial Universitario de Burgos Hospital Spain 4
University of Nottingham University United Kingdom 4
University of Oxford University United Kingdom 4
Newcastle University University United Kingdom 4
University of Turku University Finland 4
University of Bologna University Italy 4
University of Tampere University Finland 4
Eötvös Loránd University University Hungary 4
University of Hertfordshire University United Kingdom 4
Johannes Kepler University of Linz University Austria 4
University of Helsinki University Finland 4
Universidade de Lisboa University Portugal 4
VU University Medical Center Hospital Netherlands 4
Kyoto University University Japan 4
Universidad Simón Bolívar University Venezuela 4
Pontificia Universidad Católica Madre y Maestra University Dominican Republic 4
RIKEN Advanced Science Institute Research Centre Japan 4
Universidad Nebrija University Spain 3
Universidad Carlos III de Madrid University Spain 3
Universitat Jaume I University Spain 3
Universidad de La Laguna University Spain 3
Universidad de Murcia University Spain 3
Universitat Ramon Llull University Spain 3
Hospital de la Santa Creu i Sant Pau Hospital Spain 3
Hospital Universitario La Fe Hospital Spain 3
Hospital Clinico Universitario de Valencia Hospital Spain 3
Hospital Clínico Universitario Lozano Blesa Hospital Spain 3
Hospital Universitario Nuestra Señora de Candelaria Hospital Spain 3
Vall d'Hebron Institut de Recerca Research Centre Spain 3
University of Cambridge University United Kingdom 3
Aristotle University of Thessaloniki University Greece 3
National and Kapodistrian University of Athens University Greece 3
University of Edinburgh University United Kingdom 3
University of Oslo University Norway 3
University of Amsterdam University Netherlands 3
Bangor University University United Kingdom 3
Università di Perugia University Italy 3
University of Hull University United Kingdom 3
Trinity College Dublin University Ireland 3
Universidad de la República University Uruguay 3
University of Toronto University Canada 3
Pontífica Universidad Javeriana University Colombia 3
Showa Women's University University Japan 3
Oulu University Hospital Hospital Finland 3
Universidade Federal do Piauí University Brazil 3
University of New Mexico University United States 3
Universidade Federal do Rio Grande do Norte University Brazil 3
Universidad Católica del Maule University Chile 3
Universidad de Burgos University Spain 2
Universidad Europea de Madrid University Spain 2
Universitat de les Illes Balears University Spain 2
Universidad de Málaga University Spain 2
Universidad Miguel Hernández de Elche University Spain 2
Universidad Pública de Navarra University Spain 2
Hospital Universitari de Bellvitge Hospital Spain 2
Hospital Universitario Virgen del Rocío Hospital Spain 2
Hospital Universitario Virgen de las Nieves Hospital Spain 2
Hospital Virgen de la Arrixaca Hospital Spain 2
Complexo Hospitalario Universitario de Santiago Hospital Spain 2
Hospital Universitario de Donostia Hospital Spain 2
Fundación Jiménez Díaz Hospital Spain 2
Instituto Ramón y Cajal de Investigación Sanitaria Research Centre Spain 2
Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas Research Centre Spain 2
Basque Center on Cognition, Brain and Language Research Centre Spain 2
National University of Ireland, Galway University Ireland 2
Utrecht University University Netherlands 2
KU Leuven University Belgium 2
Academic Medical Center Hospital Netherlands 2
Erasmus University Rotterdam University Netherlands 2
University of Milano-Bicocca University Italy 2
University Medical Center Utrecht Hospital Netherlands 2
Heidelberg University University Germany 2
Czech Technical University in Prague University Czechia 2
Hebrew University of Jerusalem University Israel 2
Università de Roma La Sapienza University Italy 2
Universidade de Évora University Portugal 2
Universidade Federal do Rio de Janeiro University Brazil 2
Umeå University University Sweden 2
University Medical Center Hamburg-Eppendorf Hospital Germany 2
University of Trento University Italy 2
University of Parma University Italy 2
University of Rostock University Germany 2
University of North Carolina at Chapel Hill University United States 2
University of Poitiers University France 2
VU University Amsterdam University Netherlands 2
Columbia University University United States 2
University of Virginia University United States 2
University of Waterloo University Canada 2
University of Western Ontario University Canada 2
Virginia Commonwealth University University United States 2
Universidad Autónoma de Querétaro University Mexico 2
Universidad Autónoma de Yucatán University Mexico 2
Maastricht University Medical Centre Hospital Netherlands 2
University of California, Riverside University United States 2
Universidad del Tolima University Colombia 2
University of San Diego University United States 2
Universidad de Chile University Chile 2
Universidad Autonoma de Manizales University Colombia 2
Macedonian Academy of Sciences and Arts University Macedonia 2
Assistance Publique -Hopitaux De Paris Hospital France 2
Harvard Medical School University United States 2
Human Services Research Institute Research Centre United States 2
Universidade da Coruña University Spain 1
Universidad de Alcalá University Spain 1
Universidad de Almería University Spain 1
Universidad de Cádiz University Spain 1
Universitat de Girona University Spain 1
Universidad de La Rioja University Spain 1
Universidad de Las Palmas de Gran Canaria University Spain 1
Universidad Politécnica de Madrid University Spain 1
Universidad Rey Juan Carlos University Spain 1
Universidade de Santiago de Compostela University Spain 1
Universidad Internacional Isabel I de Castilla University Spain 1
Universidad Europea de Valencia University Spain 1
Hospital Universitario La Paz Hospital Spain 1
Hospital Clínico San Carlos de Madrid Hospital Spain 1
Hospital Universitario de la Princesa Hospital Spain 1
Hospital Universitario Reina Sofia Hospital Spain 1
Hospital General Universitario de Valencia Hospital Spain 1
Hospital Universitario Virgen Macarena Hospital Spain 1
Hospital Universitario Son Espases Hospital Spain 1
Hospital Universitario Doctor Peset Hospital Spain 1
Hospital Universitario de Getafe Hospital Spain 1
Complejo Hospitalario de Toledo Hospital Spain 1
Hospital Universitario Príncipe de Asturias Hospital Spain 1
Hospital General Universitario de Elche Hospital Spain 1
Complejo Hospitalario Torrecárdenas de Almería Hospital Spain 1
Hospital San Agustin Hospital Spain 1
Hospital Santiago Apostol Hospital Spain 1
Hospital Sagrado Corazón Hospital Spain 1
Hospital Xàtiva Lluis Alcanyis Hospital Spain 1
Hospital General de Ciudad Real Hospital Spain 1
Hospital San Pedro Hospital Spain 1
Hospital Infanta Leonor Hospital Spain 1
Hospital Universitario de Jaén Hospital Spain 1
Hospital General de Elda Hospital Spain 1
Centro Medico Teknon Hospital Spain 1
Institut d'Assistència Sanitària Hospital Spain 1
Hospital Regional Universitario de Málaga Hospital Spain 1
Consejo Superior de Investigaciones Científicas Research Centre Spain 1
Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas Research Centre Spain 1
Instituto de Biología Molecular y Celular del Cáncer de Salamanca / Centro de Investigación del Cáncer Research Centre Spain 1
Instituto de Investigación en Ciencias de la Alimentación Research Centre Spain 1
Instituto de Investigación Sanitaria Gregorio Marañón Research Centre Spain 1
Instituto de Investigación Sanitaria Biobizkaia Research Centre Spain 1
Instituto de Investigación Sanitaria Aragón Research Centre Spain 1
Unidad de Investigación en Telemedicina y eSalud Research Centre Spain 1
Comunidad de Madrid Other Spain 1
University of London University United Kingdom 1
Lund University University Sweden 1
University of Manchester University United Kingdom 1
University of Milan University Italy 1
University of Copenhagen University Denmark 1
University of Tasmania University Australia 1
University of Sydney University Australia 1
Griffith University University Australia 1
Curtin University University Australia 1
University of Surrey University United Kingdom 1
Cardiff University University United Kingdom 1
Linköping University University Sweden 1
Erasmus University Medical Center Hospital Netherlands 1
University of Innsbruck University Austria 1
University of Freiburg University Germany 1
Technical University Munich University Germany 1
Universidad de Los Andes University Colombia 1
University of Zurich University Switzerland 1
Imperial College London University United Kingdom 1
University of Göttingen University Germany 1
University of Glasgow University United Kingdom 1
Università degli Studi di Siena University Italy 1
University of Reading University United Kingdom 1
University of Kent University United Kingdom 1
University of Leicester University United Kingdom 1
University of Wales University United Kingdom 1
Goethe University Frankfurt University Germany 1
University College Dublin University Ireland 1
University of Mons University Belgium 1
Université de Genève University Switzerland 1
Università di Urbino University Italy 1
London School of Economics and Political Science University United Kingdom 1
Medical University of Graz University Austria 1
Leeds Beckett University University United Kingdom 1
The Arctic University of Norway University Norway 1
University of Hasselt University Belgium 1
Universidade de Trás-os-Montes e Alto Douro University Portugal 1
University of Minnesota University United States 1
McGill University University Canada 1
University of Nebraska–Lincoln University United States 1
University of California, Davis University United States 1
University of Ottawa University Canada 1
Hospitais da Universidade de Coimbra Hospital Portugal 1
Washington State University University United States 1
Nanyang Technological University University Singapore 1
University of Vermont University United States 1
Instituto Politécnico de Bragança University Portugal 1
University of Illinois at Urbana Champaign University United States 1
John Paul II Catholic University of Lublin University Poland 1
University of Quebec at Montreal University Canada 1
Aarhus University Hospital Hospital Denmark 1
University of Texas at Austin University United States 1
National Institutes of Health Research Centre United States 1
University of Montpellier University France 1
University of California, Santa Barbara University United States 1
Osaka University University Japan 1
New York University University United States 1
Guy's Hospital Hospital United Kingdom 1
Drexel University University United States 1
Boston University University United States 1
Chongqing University University China 1
Lakehead University University Canada 1
Universidade Luterana do Brasil University Brazil 1
Universidad Autónoma del Estado de México University Mexico 1
Université du Québec à Trois-Rivières University Canada 1
Queen's University University Canada 1
University of Rennes 1 University France 1
Beijing Union University University China 1
Universidad de La Sabana University Colombia 1
Universidad de Tarapacá University Chile 1
University of Newcastle Australia University Australia 1
Universidad del Desarrollo University Chile 1
Instituto Politécnico do Porto University Portugal 1
Kongju National University University South Korea 1
Rowan University University United States 1
San Diego State University University United States 1
Western Oregon University University United States 1
Indiana University Bloomington University United States 1
Temple University University United States 1
Texas A&M University System University United States 1
Instituto de Neurología Cognitiva Research Centre Argentina 1
Norwegian Institute of Public Health Research Centre Norway 1
Cohen Children's Medical Center Hospital United States 1
Institut Universitaire de France University France 1
German Center for Neurodegenerative Diseases Research Centre Germany 1
University of Minnesota System University United States 1
Universidad Politécnica Salesiana University Ecuador 1
University System of Ohio University United States 1
Windesheim University of Applied Sciences University Netherlands 1
University of Aosta Valley University Italy 1
Universitatea Titu Maiorescu University Romania 1
Üsküdar University University Turkey 1
Hannover Medical School University Germany 1
Azienda Ospedaliero Universitaria di Sassari Hospital Italy 1
Xi’an International University University China 1
Hospital Virgen del Puerto Hospital Spain 1
Hospital La Inmaculada Hospital Spain 1
Complexo Hospitalario Universitario de Ourense Hospital Spain 1
Hospital Universitario San Cecilio Hospital Spain 1
Hospital La Magdalena Hospital Spain 1
Hospital Nuestra Señora de la Montaña Hospital Spain 1
Ikerbasque, Fundación Vasca para la Ciencia Research Centre Spain 1
World Health Organization University Switzerland 1
Institut d'Investigació Sanitària Illes Balears Research Centre Spain 1
Cambridgeshire and Peterborough NHS Foundation Trust Research Centre United Kingdom 1
Instituto de Investigación Sanitaria y Biomédica de Alicante Research Centre Spain 1
Institut Català de la Salut Other Spain 1
Institut d'Investigació Biomèdica Girona Research Centre Spain 1
Servicio de Salud del Principado de Asturias (SESPA) Other Spain 1
Foundation for Intercultural and Interreligious Dialogue Initiatives (Calgary, Canadá). Other Canada 1