1. Periodontics Department, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
2. Department of Prosthodontics, Dental Branch, Islamic Azad University of Medical Sciences, Tehran, Iran
3. Radiation Sciences Research Center, Laser Research Center in Medical Sciences, AJA University of Medical Sciences, Tehran, Iran
4. International Network for Photo Medicine and Photo Dynamic Therapy (INPMPDT), Universal Scientific Education and Research Network (USERN), Tehran, Iran