1. Department of Environmental Health Engineering, School of Public Health and Environmental Technologies Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran;
2. Department of Anesthesiology, Paramedical School, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran;
3. Asadabad School of Medical Sciences, Asadabad, Iran;
4. Abadan School of Medical Sciences, Abadan, Iran;
5. Health Care System of Karoon, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran;
6. Nutrition Health Research Center, Department of Environmental Health, School of Health and Nutrition, Lorestan University of Medical Sciences, Khorramabad, Iran;
7. Research Center for Environmental Pollutants, Qom University of Medical Sciences, Qom, Iran;
8. Department of Anesthesiology, Faculty of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran