1. Department of Dermatology; Kurume University School of Medicine; Kurume University Institute of Cutaneous Cell Biology; Kurume Japan
2. Department of Oral and Maxillofacial Surgery; School of Dentistry; Aichi-Gakuin University; Nagoya Japan
3. Division of Biological Science; Graduate School of Science; Nagoya University; Nagoya Japan
4. Department of Dermatology; Osaka City University Graduate School of Medicine; Osaka Japan
5. Department of Dermatology; Hokkaido University Graduate School of Medicine; Sapporo Japan
6. Department of Dermatology; Stanford University School of Medicine; Center for Clinical Sciences Research; Stanford CA USA
7. Department of Dermatology; Veterans Administration Hospital; Palo Alto Medical Center; Palo Alto CA USA