Proportion of patients without mental disorders being treated in mental health services worldwide

Ronny Bruffaerts¹, Jose Posada-Villa¹, Ali Obaid Al-Hamzawi¹+22

• ¹Ronny Bruffaerts, PhD, Universitair Psychiatrisch Centrum - KULeuven (UPC-KUL), Leuven, Belgium; Jose Posada-Villa, MD, Colegio Mayor de Cundinamarca University, Bogota, Colombia; Ali Obaid Al-Hamzawi, DM, FICMSAl-Qadisia University College of Medicine, Diwania, Iraq; Oye Gureje, MD, PhD, DSc, FRCPsych, WHO Collaborating Centre for Research and Training in Mental Health, Neurosciences, and Drug & Alcohol Abuse, Department of Psychiatry, University College Hospital, Ibadan, Nigeria; Yueqin Huang, MD, MPH, PhD, Institute of Mental Health, Key Laboratory of Ministry of Health, Peking University, Haidian, Beijing, China; Chiyi Hu, MD, PhD, Shenzhen Institute of Mental Health and Shenzhen Kangning Hospital, Guangdong Province, PR China; Evelyn J. Bromet, PhD, State University of New York at Stony Brook, Department of Psychiatry, New York, USA; Maria Carmen Viana, MD, PhD, Department of Social Medicine, Federal University of Espírito Santo (UFES), Vitória, Espírito Santo, Brazil; Hristo Ruskov Hinkov, MD, PhD, National Center for Public Health and Analyses, Sofia, Bulgaria; Elie G. Karam, MD, St. George Hospital University Medical Center, Balamand University, Faculty of Medicine, Institute for Development, Research, Advocacy & Applied Care (IDRAAC), Medical Institute for Neuropsychological Disorders (MIND), Beirut, Lebanon; Guilherme Borges, MSc, DrSc, Division of Epidemiological and Psychosocial Research, National Institute of Psychiatry (Mexico) & Metropolitan Autonomous University, Mexico City, Mexico; Silvia E. Florescu, MD, PhD, National School of Public Health, Management and Professional Development, 31 Vaselor Street, Bucharest, Romania; David R. Williams, MPH, PhD, Department of Social and Behavioral Sciences, Harvard School of Public Health, Boston, USA; Koen Demyttenaere, MD, PhD, Universitair Psychiatrisch Centrum - KULeuven (UPC-KUL), Leuven, Belgium; Viviane Kovess-Masfety, MD, PhD, EA 4069 Université Paris Descartes & EHESP School for Public Health Depa