[1] Univ Ulsan, Asan Med Ctr, Coll Med, Dept Allergy & Clin Immunol, Seoul, South Korea
[2] Inje Univ, Ilsan Paik Hosp, Dept Dermatol, Ilsan, South Korea
[3] Seoul Natl Univ, Seoul Natl Univ Hosp, Coll Med, Dept Dermatol, Seoul, South Korea
[4] Kangwon Natl Univ, Sch Med, Dept Internal Med, Chunchon, South Korea
[5] St Carollo Gen Hosp, Dept Internal Med, Sunchon, South Korea
[6] Dankook Univ, Coll Med, Dept Dermatol, Cheonan, South Korea
[7] CHA Univ, CHA Bundang Med Ctr, Dept Pulmonol, Seongnam, South Korea
[8] Ewha Womans Univ, Coll Med, Dept Internal Med, Seoul, South Korea
[9] Korea Univ, Anam Hosp, Med Ctr, Dept Internal Med, Seoul, South Korea
[10] Kyungpook Natl Univ, Sch Med, Dept Internal Med, Daegu, South Korea
[11] Hanyang Univ, Guri Hosp, Dept Dermatol, Guri, South Korea
[12] Catholic Univ Korea, Eunpyeong St Marys Hosp, Dept Dermatol, Seoul, South Korea
[13] Gyeongsang Natl Univ, Changwon Hosp, Dept Internal Med, Div Pulmonol & Allergy, Chang Won, South Korea
[14] Hallym Univ, Sacred Heart Hosp, Coll Med, Dept Med,Div Pulm Allergy & Crit Care Med, Anyang, South Korea
[15] Korea Univ, Coll Med, Inst Evidence Based Med, Dept Prevent Med, Seoul, South Korea
[16] Hallym Univ, Coll Med, Dept Dermatol, Seoul, South Korea
[17] Inje Univ, Sanggye Paik Hosp, Dept Pediat, Seoul, South Korea
[18] Gachon Univ, Gil Med Ctr, Sch Med, Dept Dermatol, Incheon, South Korea
[19] Yonsei Univ, Coll Med, Dept Internal Med, Div Allergy & Immunol, Seoul, South Korea
[20] Chung Ang Univ, Coll Med, Dept Dermatol, Seoul, South Korea
[21] Kyungpook Natl Univ, Chilgok Hosp, Sch Med, Dept Allergy & Clin Immunol, Daegu, South Korea
[22] SMG SNU Boramae Med Ctr, Dept Dermatol, Seoul, South Korea
[23] Catholic Univ Korea, St Vincents Hosp, Coll Med, Dept Dermatol, Suwon, South Korea
[24] Ewha Womans Univ, Coll Med, Dept Dermatol, Seoul, South Korea
[25] Korea Univ, Coll Med, Dept Pediat, Seoul, South Korea
[26] Eulji Univ, Eulji Gen Hosp, Sch Med, Dept Pediat, Seoul, South Korea
[27] Pusan Natl Univ, Yangsan Hosp, Dept Internal Med, Div Pulmonol & Allergy, Yangsan, South Korea
[28] Catholic Univ Korea, Coll Med, Dept Dermatol, Seoul, South Korea
[29] Eulji Univ, Sch Med, Dept Dermatol, Daejeon, South Korea
[30] Catholic Univ Korea, Seoul St Marys Hosp, Dept Dermatol, Coll Med,Brain Korea 21 Plus Project Med Sci, Seoul, South Korea
[31] Wirye Seoul Doctors Hosp, Seongnam, South Korea
[32] Ajou Univ, Sch Med, Dept Allergy & Clin Immunol, Suwon, South Korea
[33] Seoul Natl Univ, Bundang Hosp, Coll Med, Dept Internal Med, Seongnam, South Korea
[34] Hallym Univ, Dongtan Sacred Heart Hosp, Dept Pediat, Hwaseong, South Korea
[35] Korea Univ, Coll Med, Dept Dermatol, Seoul, South Korea
[36] Vet Hlth Serv Med Ctr, Dept Dermatol, Seoul, South Korea
[37] Kyung Hee Univ, Sch Med, Kyung Hee Univ Hosp Gangdong, Dept Pediat, Seoul, South Korea
[38] Hallym Univ, Dongtan Sacred Heart Hosp, Dept Pulmonol & Allergy, Hwaseong, South Korea
[39] Hallym Univ, Coll Med, Allergy & Clin Immunol Res Ctr, Chunchon, South Korea
[40] Korea Univ, Coll Med, Dept Internal Med, Seoul, South Korea
[41] Catholic Univ Korea, Seoul St Marys Hosp, Coll Med, Dept Dermatol, Seoul, South Korea
[42] Inha Univ, Sch Med, Dept Pediat, Incheon, South Korea
[43] Seoul Natl Univ, Bundang Hosp, Coll Med, Dept Dermatol, 82 Gumi Ro,173beon Gil, Seongnam 13620, South Korea