1. Department of Oral and Maxillofacial Pathology, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran
2. Shiraz Institute for Cancer Research, Shiraz University of Medical Sciences, Shiraz, Iran
3. School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran
4. Department of Otolaryngology, Khalili Hospital, Shiraz Institute for Cancer Research, Shiraz University of Medical Sciences, Shiraz, Iran
5. Oral and Dental Disease Research Center, Department of Oral and Maxillofacial Pathology, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran