1. Student Research Committee Roozbeh Psychiatric HospitalTehran University of Medical Sciences Tehran Iran
2. Department of Biostatistics and Epidemiology School of Public Health Babol University of Medical Sciences Babol Iran
3. Department of Radiotherapy School of Paramedical Sciences Babol University of Medical Sciences Babol Iran
4. Department of Surgery Imam Khomieni HospitalMazandaran University of Medical Sciences Sari Iran
5. Department of Nursing and Midwifery Babol Islamic Azad University Babol Iran