1. Students' Research Office, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
2. Dental Research Center, Research Institute of Dental Sciences, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
3. School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
4. Laboratory for Immunoregulation and Tissue Engineering (LITE), Ostrow School of Dentistry, University of Southern California, Los Angeles, CA, United States