1 Department of Dermatology, Dokkyo Medical University, Saitama Hospital, Koshigaya, Saitama, Japan, Department of Dermatology, Japanese Red Cross Saitama Hospital, Saitama, Japan.
2 Department of Biological Process of Aging, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan.
3 Department of Dermatology, Japanese Red Cross Saitama Hospital, Saitama, Japan.