1. Ariel University, Ariel; Israel
2. Addiction Medicine and Dual Diagnosis Services, Department of Psychiatry; Sheba Medical Center; Tel Hashomer Israel
3. New York State/American Program, Sackler School of Medicine; Tel Aviv University; Tel Aviv Israel
4. Social and Epidemiological Research Department; Centre for Addiction and Mental Health; Toronto Ontario Canada
5. Dalla Lana School of Public Health; University of Toronto; Toronto Ontario Canada
6. Sackler Faculty of Medicine; Tel Aviv University; Tel Aviv Israel