[1] Technische Universität München,Department of Oral and Maxillofacial Surgery
[2] Klinikum Rechts der Isar,Institute for Medical Statistics and Epidemiology
[3] Technische Universität München,Department of Oral and Maxillofacial Surgery
[4] Klinikum Rechts der Isar,undefined
[5] Oral and Facial Specialties Department Mid Yorkshire Hospitals NHS Trust,undefined