1. Department of Dental Science, Faculty of Medicine, University of Liège, 4000 Liège, Belgium
2. Oral Surgery Department, Wroclaw Medical University, 50-425 Wroclaw, Poland
3. Department of Restorative and Aesthetic Dentistry and Endodontics, Faculty of Dental Medicine, Lebanese University, Beirut, Lebanon
4. Department of Oral Rehabilitation and Dental Emergencies, Faculty of Dentistry, Victor Babeș University of Medicine and Pharmacy, Eftimie Murgu Square No. 2, 300041 Timișoara, Romania
5. Interdisciplinary Research Center for Dental Medical Research, Lasers and Innovative Technologies, 300041 Timișoara, Romania
6. Department of Periodontics, School of Dentistry, Virginia, Commonwealth University, Richmond, VA 23298, USA
7. Pediatric Dentistry Department, Poznan University of Medical Sciences, 61-701 Poznan, Poland
8. Endodontics Department, Dental Specialist’ DS Polyclinic, Saida 1600, Lebanon
9. European Master Degree in Oral Laser Application (EMDOLA), University of Parma, 43121 Parma, Italy
10. Division of Conservative Dentistry and Periodontology, Universitätszahnklinik Wien, 1090 Vienna, Austria