Affiliation: | 1. Department of Anesthesiology, Critical Care and Pain Management, Kermanshah University of Medical Sciences, Kermanshah, Iran.;2. Department of Public Health Sciences, Division of Social Medicine, Karolinska Institute, Stockholm, Sweden.;3. Department of Psychology, University of Alabama at Birmingham, AL.;4. Tehran Institute of Psychiatry and Mental Health Research Centre, Division of Community Psychiatry, Iran University of Medical Sciences, Iran.;5. Department of Psychology, College of Medicine at Charles Drew University of Medicine and Science, & David Geffen School of Medicine at UCLA, Los Angeles, CA. |