1. Child and Adolescent Division, Geha Mental Health Center, Petah Tikva, Israel;
2. Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel;
3. Division of Molecular Imaging and Neuropathology, Department of Psychiatry, Columbia University, New York, New York, USA;
4. Therapy and Rehabilitation Unit, Israel Anti-Drug Authority, Jerusalem, Israel;
5. Outpatient Addiction Clinic, Lev Hasharon Medical Center, Israel