1. Department of Internal Medicine II, University of Cologne, Cologne, Germany.
2. Center for Molecular Medicine Cologne, University of Cologne, Cologne, Germany.
3. Cologne Cluster of Excellence in Cellular Stress Responses in Aging-associated Diseases, University of Cologne, Cologne, Germany.
4. Systems Biology of Ageing Cologne, University of Cologne, Cologne, Germany.
5. Department of Medicine IV, Medical Center and Faculty of Medicine, University of Freiburg, Freiburg, Germany.
6. III. Medical Clinic and Polyclinic, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
7. Department of Neuroanatomy, Institute of Anatomy, Faculty of Medicine, University of Freiburg, Freiburg, Germany.
8. Institute of Pathology, University of Cologne, Cologne, Germany.
9. BIOSS Centre for Biological Signalling Studies, Albert-Ludwigs-University Freiburg, Freiburg, Germany.
10. Center for Biological Systems Analysis (ZBSA), Albert-Ludwigs-University Freiburg, Freiburg, Germany.
11. Skin Homeostasis and Ageing, Paul Gerson Unna Research Group, Max Planck Institute for Biology of Ageing, Cologne, Germany.