1. Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran
2. Stem Cells Technology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
3. Department of Periodontology, University of Bern, Bern, Switzerland
4. Department of Conservative Dentistry with Endodontics, Medical University of Silesia, Katowice, Poland
5. Oral and Dental Disease Research Center, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran
6. Marquette University School of Dentistry, Milwaukee, WI 53233, USA