1. Department of Oral & Maxillofacial Surgery; The Institute for Postgraduate Education; Jönköping; Sweden
2. Restorative Dentistry; University of Bristol Dental Hospital & School; Bristol; UK
3. Department of Oral & Maxillofacial Surgery; University Hospital (Rigshospitalet); Copenhagen; Denmark
4. Department of Implantology Fondazione IRCSS Ca’ Granda Ospedale Maggiore Policlinico Milano; University of Milan; Milan; Italy
5. Department of Oral and Maxillofacial Surgery; German Federal Armed Forces Hospital; Ulm; Germany
6. Oral Surgery and Implantology Fondazione IRCSS Ca’ Granda Ospedale Maggiore Policlinico Milano; University of Milan; Milan; Italy