1 Department of Dermatology, Taipei Medical University Hospital, Taipei, Taiwan.
2 Department of Dermatology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.
3 Department of Dermatology, Taipei Medical University Hospital, Taipei, Taiwan; Department of Dermatology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.
4 Department of Dermatology, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan. Electronic address: hsiaohanwang@hotmail.com.