1. Department of Oral Surgery and Dentistry, General Hospital, 39100 Bolzano, Italy
2. Department of Periodontics and Endodontics, Stony Brook University, Stony Brook, NY 11794, USA
3. Department of Biomedical, Surgical and Dental Sciences, Università degli Studi di Milano, 20122 Milan, Italy
4. Department of Implantology and Oral Rehabilitation, Dental Clinic, IRCCS Ospedale Galeazzi-Sant’Ambrogio, 20157 Milan, Italy
5. Department of Periodontics and Oral Medicine, School of Dentistry, University of Michigan, Ann Arbor, MI 48109, USA
6. Department of Oral Medicine, Infection and Immunity, Harvard School of Dental Medicine, Boston, MA 01451, USA
7. Fondazione IRCCS Cà Granda, Ospedale Maggiore Policlinico, 20122 Milan, Italy