1. Center for Biochemistry, University Hospital Cologne, University of Cologne, Cologne, Germany
2. Department of Dermatology, Radboud University Medical Center, Radboud Institute for Molecular Life Sciences, Nijmegen, The Netherlands
3. Department Cell Biology of the Skin, University Hospital Cologne, University of Cologne, Cologne, Germany
4. Cologne Excellence Cluster on Cellular Stress Response in Aging-associated Diseases, University Hospital Cologne, University of Cologne, Cologne, Germany
5. Department of Gynecology and Obstetrics, University Hospital Cologne, University of Cologne, Cologne, Germany
6. Department of Plastic, Reconstructive and Aesthetic Surgery, University Hospital Cologne, University of Cologne, Cologne, Germany
7. Department of Biological and Biomedical Sciences, Rowan University, Glassboro, New Jersey, USA
8. Department of Pediatrics, University Hospital Cologne, University of Cologne, Cologne, Germany