1 Department of Dermatology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan; Department of Dermatology, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.
2 Skin Institute, Hualien Tzu Chi Hospital, Hualien, Taiwan; Institute of Medical Sciences, College of Medicine, Tzu Chi University, Hualien, Taiwan. Electronic address: miriamchangch@gmail.com.