1. King's College London; Institute of Psychiatry; London; United Kingdom
2. Department of Psychiatry; University Hospital Gasthuisberg; Leuven; Belgium
3. School of Psychiatry; University of Ulster; Londonderry; Northern Ireland; United Kingdom
4. Departamento de Saúde Mental; Faculdade de Ciências Médicas; Universidade Nova de Lisboa; Lisbon; Portugal
5. Public Health Research and Evidence Based Medicine Department, National School of Public Health and Health Services Management; Bucharest; Romania
6. IRCCS Centro S. Giovanni di Dio Fatebenefratelli; Brescia; Italy
7. Netherlands Institute of Mental Health and Addiction (Trimbos-Institute); Utrecht; The Netherlands
8. Université Paris Descartes & EHESP School for Public Health; Paris; France