[1] Yonsei Univ, Coll Med, Dept Dermatol, Seoul, South Korea
[2] Yonsei Univ, Coll Med, Cutaneous Biol Res Inst, Seoul, South Korea
[3] Yonsei Univ, Coll Med, Dept Plast & Reconstruct Surg, Seoul, South Korea
[4] Kwandong Univ, Myongji Hosp, Coll Med, Dept Dermatol, Goyang, South Korea