1. Sleep Disorders Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
2. Department of Radiation Oncology, Kermanshah University of Medical Sciences, Kermanshah, Iran
3. Department of Pharmacy, Kermanshah University of Medical Sciences, Kermanshah, Iran
4. Faculty of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran
5. Koc University College of Social Sciences and Humanities, Istanbul, Turkey
6. University of Maragheh, East Azerbaijan, Iran
7. Research Center of Psychiatry and Behavioral Sciences, Tabriz University of Medical Sciences, East Azerbaijan, Iran