1. Swiss Dental Clinics Group; Ardentis Clinique Dentaire; Vevey Switzerland
2. Department of Orofacial Rehabilitation, Oral and Maxillofacial Radiology; University Clinics of Dental Medicine; University of Geneva; Geneva Switzerland
3. Swiss Dental Clinics Group; Ardentis Clinique Dentaire; Geneva Switzerland
4. Department of Oral and Maxillofacial Surgery; Oral Surgery and Implantology Unit; Geneva University Hospitals; Geneva Switzerland
5. Swiss Dental Clinics Group; Ardentis Clinique Dentaire; Lausanne Switzerland