1. Department of Biology and Anatomical Sciences, school of medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
2. Laser Applications in Medical Sciences Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
3. Hearing Disorders Research Center, Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
4. Urogenital Stem Cell Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
5. Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
6. Advanced Therapy Medicinal Product Technology Development Center, Royan Institute for Stem Cell Biology and Technology, Academic Center for Education, Culture and Research, Tehran, Iran
7. Private Practice, Bradford, ON, Canada
8. Department of Endodontics, Dental Faculty, Tabriz University of Medical Sciences, Tabriz, Iran
9. Department of English Language Teaching, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran