1. Anatomia Patologica, Ospedale San Gerardo, Monza (Mi), Italy.
2. University of Genova, Department of Science and Technology, Genova, Italy.
3. Director of the Unit of Laser Dentistry at the Eastman Dental Center, Rochester, New York.
4. University of Frankfurt, Department of Oral Surgery and Implantology, Frankfurt, Germany.
5. Advanced Oral Laser Surgery Service, Italian Stomatologic Institute, Milan, Italy.