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