1. Valdman Institute of Pharmacology, First Pavlov State Medical University of St. Petersburg, Saint-Petersburg, Russia
2. Department of psychology, St. Petersburg State University, Saint-Petersburg, Russia
3. St. Petersburg Institute for Informatics and Automation of the Russian Academy of Sciences, Saint-Petersburg, Russia
4. St. Petersburg Centre for Control and Prevention of AIDS and other infection, Saint-Petersburg, Russia
5. Department of Infectious Diseases and Epidemiology, First Pavlov State Medical University of St. Petersburg, Saint-Petersburg, Russia
6. Saint-Petersburg Pasteur Institute, Saint-Petersburg, Russia
7. Regional NGO of social projects in the sphere of population's wellbeing “STELLIT”, St. Petersburg, Russia
8. School of Public Health, Yale University, New Haven, CT, USA