[1] Busan St Marys Hosp, Dept Pediat, Busan, South Korea
[2] Sungkyunkwan Univ, Samsung Med Ctr, Sch Med, Dept Pediat, Seoul, South Korea
[3] Ajou Univ, Sch Med, Dept Pediat, Suwon, South Korea
[4] Univ Ulsan, Childhood Asthma & Atopy Ctr, Humidifier Disinfectant Hlth Ctr, Coll Med,Asan Med Ctr,Dept Pediat, Seoul, South Korea
[5] Hallym Univ, Dongtan Sacred Heart Hosp, Dept Pediat, Hwaseong, South Korea
[6] Yonsei Univ, Gangnam Severance Hosp, Coll Med, Dept Pediat, Seoul, South Korea
[7] Soonchunhyang Univ, Bucheon Hosp, Sch Med, Dept Pediat, Bucheon, South Korea
[8] Inje Univ, Ilsan Paik Hosp, Coll Med, Dept Pediat, Goyang, South Korea
[9] Kosin Univ, Gospel Hosp, Coll Med, Dept Pediat, Busan, South Korea
[10] Chungnam Natl Univ, Sejong Hosp, Sch Med, Dept Pediat, Sejong, South Korea
[11] Soonchunhyang Univ, Seoul Hosp, Coll Med, Dept Pediat, Seoul, South Korea
[12] Hallym Univ, Chuncheon Sacred Heart Hosp, Sch Med, Dept Pediat, Chunchon, South Korea
[13] Yonsei Univ, Yongin Severance Hosp, Coll Med, Dept Pediat, Yongin, South Korea
[14] Yonsei Univ, Wonju Coll Med, Dept Pediat, Wonju, South Korea
[15] Ewah Womans Univ, Seoul Hosp, Coll Med, Dept Pediat, Seoul, South Korea
[16] Ilsan Hosp, Natl Hlth Insurance Serv, Dept Pediat, Goyang, South Korea
[17] Jangs Hosp, Dept Pediat, Seoul, South Korea
[18] PHI Digital Healthcare, Seoul, South Korea
[19] Yonsei Univ, Inst innovat Digital Healthcare, Seoul, South Korea
[20] Inha Univ, Inha Univ Hosp, Coll Med, Dept Pediat, 27 Inhang Ro, Incheon 22332, South Korea