1. Department of Conservative Dentistry and Periodontology, University Hospital LMU Munich Munich Germany
2. Department of Orthodontics and Dentofacial Orthopedics, University Hospital LMU Munich Munich Germany
3. Department of Radiation Oncology, University Hospital LMU Munich Munich Germany
4. German Cancer Consortium (DKTK) Partner Site Munich Munich Germany
5. Department of Oral and Maxillofacial Surgery and Facial Plastic Surgery, University Hospital LMU Munich Munich Germany