1 Department of Dermatology, Taipei Veterans General Hospital, Taipei, Taiwan; Department of Dermatology, National Yang Ming Chao Tung University, Taipei, Taiwan.
2 Department of Dermatology, Taipei Veterans General Hospital, Taipei, Taiwan; Department of Dermatology, National Yang Ming Chao Tung University, Taipei, Taiwan; Faculty of Medicine, School of Medicine, National Yang Ming Chao Tung University, Taipei, Taiwan. Electronic address: jordan800725@gmail.com.