1 Department of Oral and Maxillofacial Surgery, Ludwig-Maximilians-University of Munich, Munich, Germany.
2 Division of Oral and Maxillofacial Surgery, University of Miami, Miller School of Medicine, Miami, FL, USA.
3 Department of Oral and Maxillofacial Surgery, University of Heidelberg, Heidelberg, Germany.
4 Department of Oral and Maxillofacial Surgery, University of Mainz, Mainz, Germany.
5 Department of Oral and Maxillofacial Surgery, Horst-Schmidt-Klinikum, Wiesbaden, Germany.
6 University College London, UCL Eastman Dental Institute, London, United Kingdom.
7 University and Hospital Trust of Verona, Department of Surgery, Section of Oral and Maxillofacial Surgery, Verona, Italy.
8 University of Palermo, Department of Surgical, Oncological, and Oral Sciences, Sector of Oral Medicine, Palermo, Italy.
9 Hospital "SS. Antonio, Biagio and C. Arrigo", Department of Oncology and Hematology, Unit of Medical Oncology, Alessandria, Italy.
10 Department of Oral and Maxillofacial Surgery, Baskent University, Faculty of Dentistry, Ankara, Turkey.
11 Department of Oral and Maxillofacial Surgery, University of Alexandria, Alexandria, Egypt.
12 Department of Oral Surgery and Oral Medicine, Faculty of Dentistry, University of Oslo, Oslo, Norway.
13 Department of Oral and Maxillofacial Surgery, School of Dentistry, Kyungpook National University, Daegu, Korea.
14 University College London, UCL Eastman Dental Institute, and NIHR University College London Hospitals, Biomedical Research Centre, London, United Kingdom.