1. Department of Psychiatry and Addiction, St. Petersburg State University, St. Petersburg, Russia
2. Day in-Patient Clinic, St. Petersburg Psychiatric Hospital No 1 named after P.P. Kaschenko, St. Petersburg, Russia
3. Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
4. Department of Psychotherapy, Medical Psychology and Sexology, North-Western State Medical University named after I.I. Mechnikov, St. Petersburg, Russia
5. Department of Social Psychiatry and Psychology, St. Petersburg Institute of Postgraduate Improvement of Physicians-experts of the Ministry of Labour and Social Protection, St. Petersburg, Russia