Affiliation: | 1. Department of Dermatology, Keio University School of Medicine, Shinjuku‐ku, Tokyo, Japan;2. Division of Endocrinology, Metabolism, and Nephrology, Department of Internal Medicine, Keio University School of Medicine, Shinjuku‐ku, Tokyo, Japan;3. Center for Preventative Medicine, Keio University School of Medicine, Shinjuku‐ku, Tokyo, Japan;4. Department of Dermatology, Hokkaido University Graduate School of Medicine, Kita‐ku, Sapporo, Japan |