1. Department of Dermatology, Asahikawa Medical College, Midorigaoka‐Higashi 2‐1‐1‐1, Asahikawa 078‐8510, Japan
*The Centre for Cutaneous Research, St Bartholomew’s & the Royal London School of Medicine and Dentistry,
Queen Mary & Westfield College, London, U.K.
†Department of Cell Chemistry, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
‡Molecular Medicine Unit, St. James’ University Hospital, Leeds, LS9 7TF, U.K.