1. Department of Dermatology, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany;
2. Institute for Biology and Biotechnology of Plants, University of Münster, Münster, Germany;
3. Department of Orthopedics, Tongji Hospital, Tongji University School of Medicine, Shanghai, China;
4. Department of Dermatology and Venereology, University Hospital Hamburg-Eppendorf, Hamburg, Germany; and
5. Department of Urology, University of Ulm, Ulm, Germany