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; School of Medicine, National Yang Ming Chao Tung University, Taipei, Taiwan. Electronic address: [email protected].