1. Department of Dermatology St Vincent’s Hospital, College of Medicine, The Catholic University of Korea Seoul Republic of Korea
2. Department of Dermatology Yeouido St Mary’s Hospital, College of Medicine, The Catholic University of Korea Seoul Republic of Korea
3. Department of Dermatology Seoul St Mary’s Hospital, College of Medicine, The Catholic University of Korea Seoul Republic of Korea
4. Department of Preventive Medicine Yonsei University Wonju College of Medicine Wonju Republic of Korea
5. Department of Dermatology Seoul National University Bundang Hospital, Seoul National University College of Medicine Seongnam Republic of Korea
6. Department of Medicine, College of Medicine Prince Sattam Bin Abdulaziz University Al‐Kharj Saudi Arabia