1 Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea.
2 Interdisciplinary Program in Precision Public Health, Korea University, Seoul, Korea.
3 Department of Internal Medicine, Kyung Hee University Hospital, Seoul, Korea.
4 Department of Translational Medicine, Seoul National University College of Medicine, Seoul, Korea.
5 Department of Internal Medicine, Chung-Ang University College of Medicine, Seoul, Korea.
6 Laboratory of Mucosal Immunology in Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, Korea.
7 Interdisciplinary Program in Bioinformatics, College of Natural Sciences, Seoul National University, Seoul, Korea.
8 Institute of Health and Environment, Seoul National University, Seoul, Korea.
9 Department of Internal Medicine, Chungbuk National University College of Medicine, Chungbuk National University Hospital, Cheongju, Korea.
10 Department of Internal Medicine, SMG-SNU Boramae Medical Center, Seoul, Korea.
11 Department of Internal Medicine, School of Medicine, Kyungpook National University, Kyungpook National University Hospital, Daegu, Korea.
12 Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea.
13 Department of Pulmonology and Allergy, Allergy and Clinical Immunology Research Center, Hallym University College of Medicine, Chuncheon, Korea.
14 Department of Internal Medicine, Gangnam Severance Hospital, Seoul, Korea.
15 Department of Internal Medicine, Gachon University Gil Medical Center, Incheon, Korea.
16 Department of Internal Medicine, Hanyang University College of Medicine, Seoul, Korea.
17 Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea.
18 Institute of Allergy and Clinical Immunology, Seoul National University Medical Research Center, Seoul National University College of Medicine, Seoul, Korea.
19 School of Biosystems and Biomedical Sciences, Korea University, Seoul, Korea.