1. Assistant Professor, Research Center for Health Sciences, Institute of Health, Dept. of Environmental Health Engineering, School of Health, Shiraz Univ. of Medical Sciences, Razi Blvd., P.O. Box 71645-111, 7153675541 Shiraz, Iran.
2. Assistant Professor, Dept. of Environmental Health Engineering, School of Health, Shiraz Univ. of Medical Sciences, Razi Blvd., P.O. Box 71645-111, 7153675541 Shiraz, Iran.
3. Assistant Professor, Environmental Science and Technology Research Center, Dept. of Environmental Health Engineering, School of Health, Shahid Sadoughi Univ. of Medical Sciences, 8915173160 Yazd, Iran (corresponding author).