1. Department of Dental Sciences, Faculty of Medicine, University of Liège, Liège, Belgium.
2. Faculty of Dentistry, Lebanese University, Hadath, Beirut, Lebanon.
3. National Institute of Science and Technology—IFSC-USP, São Paulo, Brazil.
4. Unit of Oral Pathology and Medicine and Laser-Assisted Oral Surgery, Department of ENT/Dental/Ophthalmological and Cervico-Facial Sciences, Faculty of Medicine and Surgery, University of Parma, Parma, Italy.