1 Department of Pulmonology, Allergy and Critical Care Medicine, CHA Bundang Medical Center, CHA University, Seongnam, Korea.
2 Department of Otorhinolaryngology-Head and Neck Surgery, Hallym University Chuncheon Sacred Heart Hospital and Nano-Bio Regenerative Medical Institute, Hallym University College of Medicine, Chuncheon, Korea.
3 Department of Pediatrics, Pediatric Allergy and Respiratory Center, Soonchunhyang University Seoul Hospital, Soonchunhyang University College of Medicine, Seoul, Korea.
4 Department of Pediatrics, Korea University Anam Hospital, Seoul, Korea.
5 Department of Pediatrics Eulji Hospital, Eulji University, Seoul, Korea.
6 Department of Allergy and Clinical Immunology, Ajou University School of Medicine, Suwon, Korea.
7 Lee & Hong ENT, Sleep and Cosmetic Center, Seongnam, Korea.
8 Department of Internal Medicine, Gyeongsang National University Hospital, Gyeongsang National University School of Medicine, Jinju, Korea.
9 Department of Pediatrics, Gangneung Asan Hospital, University of Ulsan College of Medicine, Gangneung, Korea.
10 Department of Otorhinolaryngology, Head and Neck Surgery, Dong-A University College of Medicine, Busan, Korea.
11 Department of Internal Medicine, Soonchunhyang University Bucheon Hospital, Bucheon, Korea.
12 Department of Pediatrics, Wonkwang University Sanbon Hospital, Wonkwang University College of Medicine, Gunpo, Korea.
13 Department of Internal Medicine, Chonnam National University Medical School & Hospital, Gwangju, Korea.
14 Department of Internal Medicine, Jeju National University School of Medicine, Jeju, Korea.
15 Department of Pediatrics, Inha University Hospital, Inha University College of Medicine, Incheon, Korea.
16 Division of Pulmonology and Allergy, Department of Internal Medicine, Gil Medical Center, Gachon University College of Medicine, Incheon, Korea.
17 Department of Otorhinolaryngology-Head and Neck Surgery, Chungnam National University College of Medicine, Daejeon, Korea.
18 Department of Otorhinolaryngology-Head & Neck Surgery, College of Medicine, SoonChunHayng University Hospital, Gumi, Korea.
19 Department of Otorhinolaryngology-Head and Neck Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
20 SCH Biomedical Informatics Research Unit, Soonchunhyang University Seoul Hospital, Seoul, Korea.
21 Department of Pulmonology and Allergy, Hallym University Dongtan Sacred Heart Hospital, Hallym University College of Medicine, Hwaseong, Korea.