1. Department of Dermatology and
2. Department of Dermatology, Dessau Medical Center, Brandenburg Medical School Theodor Fontane , Dessau , Germany
3. Interdisciplinary Centre for Clinical Trials, University Medical Center, Johannes Gutenberg University , Mainz , Germany
4. German Society for Wound Healing and Wound Treatment (DGfW) , Giessen , Germany
5. Baden-Wuerttemberg Cooperative State University, School of Business and Health , Stuttgart , Germany
6. Institute for Health and Nursing Science
7. Institute of General Practice and Family Medicine
8. Profile Centre of Health Sciences Halle
9. Institute of Medical Epidemiology, Biostatistics, and Informatics, Medical Faculty, Martin Luther University Halle-Wittenberg , Halle , Germany
10. Department of Dermatology, Venereology, and Allergology, St Josef Hospital, Ruhr-University Bochum , Bochum , Germany
11. Dermatology Outpatient Office Dr. Uwe Kirschner , Mainz , Germany
12. Department of Dermatologic Surgery and Dermatology, Artemed Fachklinik München , Munich , Germany
13. Department of Dermatology, Venereology and Allergology, University Hospital Würzburg , Würzburg , Germany