Undertreatment of people with major depressive disorder in 21 countries

Graham Thornicroft¹, Somnath Chatterji², Sara Evans-Lacko²+24

• ¹Graham Thornicroft, PhD, Centre for Global Mental Health, Institute of Psychiatry, Psychology and Neuroscience, King's College London, UK; Somnath Chatterji, MD, Department of Information, Evidence and Research, World Health Organization, Geneva, Switzerland; Sara Evans-Lacko, PhD, Centre for Global Mental Health, Institute of Psychiatry, Psychology and Neuroscience, King's College London, UK; Michael Gruber, MS, Nancy Sampson, BA, Department of Health Care Policy, Harvard Medical School, Boston, Massachusetts, USA; Sergio Aguilar-Gaxiola, MD, PhD, Center for Reduction in Health Disparities, University of California Davis, Sacramento, California, USA; Ali Al-Hamzawi, MD, College of Medicine, Al-Qadisia University, Diwania governorate, Iraq; Jordi Alonso, MD, PhD, Health Services Research Unit, IMIM-Hospital del Mar Medical Research Institute, Barcelona, Spain; Pompeu Fabra University (UPF), Barcelona, Spain; and CIBER en Epidemiología y Salud Pública (CIBERESP), Barcelona, Spain; Laura Andrade, MD, PhD, Section of Psychiatric Epidemiology, LIM-23, Institute of Psychiatry, University of São Paulo Medical School, São Paulo, Brazil; Guilherme Borges, ScD, Instituto Nacional de Psiquiatria, Calzada Mexico Xochimilco No 101, Colonia San Lorenzo Huipulco, Mexico; Ronny Bruffaerts, PhD, Universitair Psychiatrisch Centrum - Katholieke Universiteit Leuven (UPC-KUL), Campus Gasthuisberg, Leuven, Belgium; Brendan Bunting, PhD, Ulster University, Londonderry, Northern Ireland, UK; Jose Miguel Caldas de Almeida, MD, PhD, CEDOC and Department of Mental Health, Nova Medical School/Faculdade Ciências Médicas, Universidade Nova de Lisboa, Lisbon, Portugal; Silvia Florescu, MD, PhD, National School of Public Health, Management and Professional Development, Bucharest, Romania; Giovanni de Girolamo, MD, IRCCS St John of God Clinical Research Centre/IRCCS Centro S. Giovanni di Dio Fatebenefratelli, Brescia, Italy; Oye Gureje, MD, PhD, Department of Psychiatry, University College Hospital, Ibadan, Nigeria; Josep Maria Haro, MD, PhD, Parc Sanitari Sant Joan de Déu, Universitat de Barcelona, CIBERSAM, Sant Boi de Llobregat (Barcelona), Spain; Yanling He, MD, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Hristo Hinkov, MD, National Center for Public Health and Analyses, Sofia, Bulgaria; Elie Karam, MD, Department of Psychiatry and Clinical Psychology, Faculty of Medicine, Balamand University, Beirut, Department of Psychiatry and Clinical Psychology, St George Hospital University Medical Center, Beirut, and Institute for Development Research Advocacy and Applied Care (IDRAAC), Beirut, Lebanon; Norito Kawakami, MD, PhD, Department of Mental Health, School of Public Health, The University of Tokyo, Tokyo, Japan; Sing Lee, PhD, Department of Psychiatry, Chinese University of Hong Kong, Tai Po, Hong Kong; Fernando Navarro-Mateu, MD, PhD, IMIB-Arrixaca, CIBERESP-Murcia, Subdirección General de Salud Mental y Asistencia Psiquiátrica, Servicio Murciano de Salud, El Palmar, Murcia, Spain; Marina Piazza, ScD, Universidad Peruana Cayetano Heredia, Instituto Nacional de Salud, Lima, Peru; Jose Posada-Villa, MD, Colegio Mayor de Cundinamarca University, Bogota, Colombia; Yolanda Torres de Galvis, MPH, 'CES University', Center for Excellence on Research in Mental Health, CES University, Medellin, Colombia; Ronald C. Kessler, PhD, Department of Health Care Policy, Harvard Medical School, Boston, Massachusetts, USA graham.thornicroft@kcl.ac.uk.+1