*Department of Pathology, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea; and

†Department of Dermatology, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.

Correspondence: Chang Young Yoo, MD, PhD, St. Vincent's Hospital, 93 Jungbu-daero, Paldal-gu, Suwon, Gyeonggi-do, Republic of Korea (e-mail: [email protected]).

The authors declare no conflicts of interest.