1. Department of Hygiene, Epidemiology and Medical Statistics, Medical School National and Kapodistrian University of Athens Athens Greece
2. Hellenic Scientific Society for the Study of AIDS and Sexually Transmitted Diseases Athens Greece
3. Department of Gastroenterology, Medical School National and Kapodistrian University of Athens, General Hospital of Athens ‘Laiko’ Athens Greece
4. Hellenic Liver Patient Association ‘Prometheus’ Athens Greece
5. Organization Against Drugs (OKANA) Athens Greece
6. Greek Reitox focal point at the Athens University Mental Health, Neurosciences, & Precision Medicine Research Institute (MHRI) Athens Greece