1. Laboratory of Stem Cell Dynamics, School of Life Sciences École Polytechnique Fédérale de Lausanne Lausanne Switzerland
2. Department of Experimental Surgery Lausanne University Hospital Lausanne Switzerland
3. Division of Aging and Regeneration, The Institute of Medical Science The University of Tokyo Tokyo Japan
4. Duke‐NUS Medical School Singapore City Singapore
5. Department of Plastic, Reconstructive and Aesthetic Surgery Singapore General Hospital and A*STAR Skin Research Labs Singapore City Singapore
6. Department of Pathology and Immunology University of Geneva Geneva Switzerland
7. Institute of Chemical Sciences and Engineering École Polytechnique Fédérale de Lausanne Lausanne Switzerland
8. Friedrich Miescher Institute for Biomedical Research Basel Switzerland