1. Department of Oral and Maxillofacial Surgery and Facial Plastic Surgery University Hospital, Ludwig‐Maximilians‐University (LMU) Munich Germany
2. Department of Oral and Maxillofacial Surgery Alexandria‐University Alexandria Egypt
3. Experimental Surgery and Regenerative Medicine (ExperiMed) LMU Planegg Germany
4. Department of Pathology Memorial Sloan Kettering Cancer Center (MSKCC) New York City New York USA
5. Department of Sport and Health Sciences, Chair of Epidemiology Technical University of Munich Munich Germany
6. Department of Pathology LMU Munich Germany