1 WHO Collaborating Centre for Research and Training in Mental Health and Service Evaluation, Section of Psychiatry, University of Verona, Verona 37134, Italy. Electronic address: corrado.barbui@univr.it.
2 Department of Mental Health and Substance Abuse, World Health Organization, Geneva, Switzerland.
3 Centre for Global Mental Health, Health Services Research Department, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK.