1. First Department of Dermatology; Toho University School of Medicine; Tokyo; Japan
2. Department of Dermatology; Fujita Health University School of Medicine; Toyoake; Japan
3. Keiichi Kawai Skin Clinic; Kyoto; Japan
4. Department of Dermatology; Kyoto Prefectural University of Medicine; Kyoto; Japan
5. Department of Dermatology; Hyogo College of Medicine; Nishinomiya; Japan
6. Department of Management Science; Faculty of Engineering; Tokyo University of Science; Tokyo; Japan
7. Division of Pharmacology; National Institute of Health Sciences; Tokyo; Japan
8. Fundamental Research Laboratory; Kose Corporation; Tokyo; Japan
9. Safety Science Research Laboratories; Kao Corporation; Haga; Japan
10. Basic Research Laboratory; Kanebo Cosmetics; Odawara; Japan
11. Shiseido Quality Assurance Center; Shiseido; Yokohama; Japan
12. Research Laboratory; Pola Chemical Industries; Yokohama; Japan