1. Biostatistics Department, Faculty of Public Health, Iran University of Medical Sciences, Tehran, Iran
2. Medical Toxicology and Drug Abuse Research Center (MTDRC), Birjand University of Medical Sciences, Birjand, Iran
3. C.N.R. – Institute for Coastal Marine Environment, Operative Unit of Taranto, Italy
4. Environmental Science, Faculty of Natural Resources and Environment, Malayer University, Malayer, Iran
5. Department of Environmental Health Engineering, Kurdistan University of Medical Sciences, Kurdistan, Iran
6. Kurdistan University of Medical Sciences, Sanandaj, Iran