1. Moscow Research & Practical Centre on Addictions of the Moscow Department of Healthcare, 37/1 Lyublinskaya Street, Moscow 109390, Russian Federation
2. Russian Medical Academy of Continuous Professional Education of the Ministry of Health of the Russian Federation, 2/1 Barrikadnaya Street, Moscow 123995, Russian Federation
3. University of Lisbon, Faculty of Medicine, ISAMB (Instituto de Saúde Ambiental) venida Professor Egas Moniz (Edifício comum ao Hospital de Santa Maria), 1649-028 Lisboa, Portugal
4. Saint-Petersburg State University, Department of Psychiatry & Addictions, Saint-Petersburg, Russian Federation
5. Saint-Petersburg Psychiatric Hospital No. 1 named after PP Kaschenko, Day In-Patient Department, Saint-Petersburg, Russian Federation