1 Student Research Committee, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran.
2 School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran; Ionizing and Non-ionizing Radiation Protection Research Center (INIRPRC), Shiraz University of Medical Sciences, Shiraz, Iran.
3 Prevention of Oral and Dental Disease Research Center, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran. Electronic address: paknahadmaryam@yahoo.com.