1. Psychiatry Department, Substance Abuse Prevention Research Center, Kermanshah University of Medical SciencesKermanshah, Iran
2. Kermanshah University of Medical SciencesKermanshah, Iran
3. Tehran University of Medical Sciences
TehranIran
4. Psychiatric Clinics of the University of Basel, Center for Affective, Stress and Sleep Disorders
BaselSwitzerland
5. Department of Psychometrics, Emam Reza International University of Mashhad
MashhadIran