1. Department of Oral and Maxillofacial Surgery University Medical Center Schleswig‐Holstein ‐ UKSH Kiel Germany
2. Private practice München Germany
3. Department of Stomatology Zhujiang Hospital Southern Medical University Guangzhou China
4. Department of Oral and Maxillofacial Surgery University Medical Center Schleswig‐Holstein ‐UKSH Kiel Germany
5. Department of Oral and Maxillofacial Surgery Helios Hospital Kassel Kassel Germany