1. Department of General Adult Psychiatry, Castle Peak Hospital, Hong Kong, China;
2. University of San Carlos of Guatemala, Guatemala, Guatemala;
3. Hospital de Magalhães Lemos, Porto, Portugal;
4. Institute of Biomedical Sciences Abel Salazar (ICBAS), University of Porto, Porto, Portugal;
5. Unit for Social and Community Psychiatry (WHO Collaborating Centre for Mental Health Services Development), Queen Mary University of London, London, UK