[1] Hallym Univ, Kangnam Sacred Heart Hosp, Dept Otorhinolaryngol Head & Neck Surg, Coll Med, Seoul, South Korea
[2] Hallym Univ, Dept Pulmonol & Allergy, Dongtan Sacred Heart Hosp, Hwaseong, South Korea
[3] Hallym Univ, Allergy & Clin Immunol Res Ctr, Coll Med, Chunchon, South Korea
[4] Yonsei Univ, Yongin Severance Hosp, Dept Pediat, Coll Med, Yongin, South Korea
[5] Soonchunhyang Univ, Coll Med, Dept Pediat, Seoul Hosp, Seoul, South Korea
[6] Ajou Univ, Dept Otolaryngol, Sch Med, Suwon, South Korea
[7] Hallym Univ, Chuncheon Sacred Heart Hosp, Dept Otorhinolaryngol Head & Neck Surg, Coll Med, Chunchon, South Korea
[8] Hallym Univ, Inst New Frontier Res, Div Big Data & Artificial Intelligence, Coll Med, Chunchon, South Korea
[9] Catholic Univ Korea, Seoul St Marys Hosp, Coll Med, Dept Otolaryngol Head & Neck Surg, Seoul, South Korea
[10] Eulji Univ, Uijeongbu Eulji Med Ctr, Dept Otorhinolaryngol Head & Neck Surg, Uijongbu, South Korea
[11] Hallym Univ, Sacred Heart Hosp, Dept Pediat, Coll Med, Anyang, South Korea
[12] Chungnam Natl Univ, Dept Pediat, Sejong Hosp, Sejong, South Korea
[13] Sungkyunkwan Univ, Samsung Med Ctr, Dept Otorhinolaryngol Head & Neck Surg, Sch Med, Seoul, South Korea
[14] Gachon Univ, Coll Med, Dept Internal Med, Div Pulmonol & Allergy,Gil Med Ctr, Incheon, South Korea
[15] CHA Univ, CHA Bundang Med Ctr, Dept Pulmonol Allergy & Crit Care Med, Seongnam, South Korea
[16] Korea Univ, Coll Med, Dept Prevent Med, Seoul, South Korea
[17] Kosin Univ, Dept Internal Med, Div Allergy & Clin Immunol, Coll Med, Busan, South Korea
[18] Lee & Hong ENT Sleep & Cosmet Ctr, Seongnam, South Korea
[19] Inje Univ, Dept Pediat, Sanggye Paik Hosp, Seoul, South Korea
[20] Univ Ulsan, Gangneung Asan Hosp, Dept Pediat, Coll Med, Kangnung, South Korea
[21] Inje Univ, Dept Pediat, Sanggye Paik Hosp, 1342 Dongil Ro, Seoul 01757, South Korea
[22] Univ Ulsan, Gangneung Asan Hosp, Dept Pediat, Coll Med, 38 Bangdong Gil,Sacheon Myeon, Kangnung 25440, South Korea