1. Unit of Oral Surgery Department of Biomedical, Surgical, and Dental Sciences Dental Clinic St. Paolo and St. Carlo HospitalsUniversity of Milan Milan Italy
2. Private Practice Milan Milan Italy
3. Unit of Human Anatomy Thin Section Laboratory Department of Biomedical, Surgical, and Dental Sciences University of Milan Milan Italy
4. Department of Biomedical, Surgical, and Dental Sciences Dental Clinic IRCCS Istituto Ortopedico Galeazzi University of Milan Milan Italy
5. Dental Clinic IRCCS Orthopedic Institute Galeazzi Milan Italy