1. Day in-Patient Clinic, St. Petersburg Psychiatric Hospital No 1 named after P.P. Kaschenko, St. Petersburg, Russia.
2. Department of Psychiatry and Addiction, St. Petersburg State University, St. Petersburg, Russia.
3. Department of Addictology, Moscow Research and Practical Centre on Addictions, Moscow Department of Healthcare, Moscow, Russia.
4. Department of Addictology, Russian Medical Academy of Continuous Professional Education, Ministry of Health of the Russian Federation, Moscow, Russia.
5. Department of Psychotherapy, Medical Psychology and Sexology, North-Western State Medical University named after I.I. Mechnikov, St. Petersburg, Russia.
6. 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.