[1] Catholic Univ Korea, St Vincents Hosp, Dept Dermatol, Coll Med, Seoul, South Korea
[2] Catholic Univ Korea, Yeouido St Marys Hosp, Coll Med, Dept Dermatol, Seoul, South Korea
[3] Catholic Univ Korea, Seoul St Marys Hosp, Coll Med, Dept Dermatol, Seoul, South Korea
[4] Yonsei Univ, Wonju Coll Med, Dept Prevent Med, Wonju, South Korea
[5] Seoul Natl Univ, Bundang Hosp, Coll Med, Dept Dermatol, Seongnam, South Korea
[6] Prince Sattam Bin Abdulaziz Univ, Dept Med, Coll Med, Al Kharj, Saudi Arabia