1. Naval Medical Department, Queen Sirikit Hospital, Royal Thai Navy, 163, Sukhumvit Road, Phlutaluang, Sattahip, Chonburi Province, Thailand
2. Department of Dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University, 2 Wanglang Road, Bangkoknoi, Bangkok, Thailand
3. Department of Research Development, Faculty of Medicine Siriraj Hospital, Mahidol University, 2 Wanglang Road, Bangkoknoi, Bangkok, Thailand