1. School of Public Health and Environmental Technologies Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
2. Asadabad school of Medical Sciences, Asadabad, Iran
3. Department of Environmental Health Engineering, School of Public Health and Environmental Technologies Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
4. Health Care System of Hendijan, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran