1. Division of Dermatological Science, Department of Dermatology, Nihon University School of Medicine, Tokyo, Japan
2. Department of Dermatology, Seibo International Catholic Hospital, Tokyo, Japan
3. Department of Dermatology, Tokyo Medical University, Tokyo, Japan
4. Department of Dermatology, Ehime University School of Medicine, Ehime, Japan
5. Janssen Pharmaceutical K.K., Tokyo, Japan