1. Department of Plastic Surgery, Reconstructive and Hand Surgery; Medical Faculty; Burn Center; RWTH Aachen University; Aachen Germany
2. Department of Conservative Dentistry, Periodontology and Preventive Dentistry; RWTH Aachen University; Aachen Germany
3. Institute of Neuropathology; RWTH Aachen University; Aachen Germany
4. Dental Practice Clinic, Luisenhospital; Aachen Germany
5. Department of Medical Statistics; RWTH Aachen University; Aachen Germany