1. St John's Institute of Dermatology, School of Basic and Medical Biosciences King's College London London UK
2. Joslin‐Beth Israel Deaconess Foot Center and The Rongxiang Xu, MD, Center for Regenerative Therapeutics, Beth Israel Deaconess Medical Center Harvard Medical School Boston Massachusetts USA
3. Laboratory of Medical Biology and Genetics, School of Medicine Aristotle University of Thessaloniki Thessaloniki Greece