1. Department of Plastic and Reconstructive Surgery, Institute of Musculoskeletal Medicine, University Hospital Muenster, 48149 Muenster, Germany
2. Department of Plastic, Reconstructive and Aesthetic Surgery, Hand Surgery, Fachklinik Hornheide, 48157 Muenster, Germany
3. Division of Plastic Surgery, Department of Trauma, Hand and Reconstructive Surgery, University Hospital Muenster, 48149 Muenster, Germany
4. Department of Dermatology, Dermatological Radiotherapy and Dermatohistopathology, Fachklinik Hornheide, 48157 Muenster, Germany
5. Dermatology Group Practice, 48145 Muenster, Germany
6. Department of Oncology, Fachklinik Hornheide, 48157 Muenster, Germany
7. Department I of Internal Medicine, Faculty of Medicine, University Hospital Cologne, University of Cologne, 50935 Cologne, Germany