1. Faculty of Medicine, Clinic of Psychiatry, Vilnius University, Vilnius, Lithuania
2. Primary Mental Health Service, Vilnius City Clinical Hospital, Vilnius, Lithuania
3. Department of Psychiatry and Narcology, Riga Stradins University, Riga, Latvia
4. Psychiatry Clinic, South-Estonian Hospital, Võru, Estonia
5. Hospital de Magalhães Lemos, Porto, Portugal
6. Institute of Biomedical Sciences Abel Salazar (ICBAS), University of Porto, Porto, Portugal
7. Unit for Social and Community Psychiatry (WHO Collaborating Centre for Mental Health Services Development), Queen Mary University of London, London, United Kingdom