1. Department of Psychiatry, School of Medicine, Imam Hossein Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
2. Associate Professor of Psychiatry, Iranian National Center for Addiction Studies (INCAS), Iranian Institute for Reduction of High-Risk Behaviors, Tehran University of Medical Sciences, Tehran, Iran
3. Postdoc Research Fellowship, Beth Israel Deaconess Medical Center, Harvard University, Boston, Massachusetts, USA
4. Eastern Health, Melbourne, Australia
5. Private Practice Psychiatrist, Tehran, Iran