1. Betsi Cadwaladr University Health Board (BCUHB), Heddfan Unit, Wrexham Maelor Hospital, Wrexham, Wales LL13 7TD, UK
2. Centre for Mental Health and Society (University of Bangor), Wrexham Medical Institute, Technology Park Centre, Croesnewydd Road, Wrexham, Wales LL13 7YP, UK
3. Mysore Medical College & Research Institute, Irwin Road, Next to Railway Station, Mysuru, Karnataka 570001, India
4. Department of Psychiatry & Psychosomatics, I.M. Sechenov First Moscow State Medical University, Malaya Trubetskaya Ulitsa, 8c2, Moskva 119992, Russia
5. Mental Health Research Center, 34, Kashirskoye shosse, Moskva 115522, Russia