1. Department of Occupational Health and Safety Engineering, Occupational Health Research Center, Faculty of Public Health, Iran University of Medical Sciences, Tehran, Iran
2. Department of Occupational Health and Safety Engineering, Abadan University of Medical Sciences, Abadan, Iran
3. Environmental Health Research Center, Research Institute for Health Development, Kurdistan University of Medical Sciences, Sanandaj, Iran
4. Department of Occupational Health Engineering, Faculty of Health, Kurdistan University of Medical Sciences, Sanandaj, Iran