1. Department of Health Service and Population Research, King’s College London, London, UK
2. Section of Infectious Diseases, Yale University School of Medicine, New Haven, Connecticut, USA
3. European Institute of Public Health Policy, Kyiv, Ukraine
4. Centre for Interdisciplinary Research on AIDS (CIRA), Yale University School of Public Health, New Haven, Connecticut, USA
5. Centre for Global Mental Health and Centre for Implementation Science, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London, UK
6. Faculty of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, London, UK
7. Department of Psychological Medicine, King’s College London, London, UK
8. Harvard Medical School, Boston, Massachusetts, USA
9. Department of Human Development and Family Sciences, University of Delaware, Newark, Delaware, USA
10. Kyiv City AIDS Center, Kyiv, Ukraine
11. Kyiv City Addiction Treatment Clinic "Sociotherapy", Kyiv, Ukraine