1 Department of Pulmonary, Allergy and Critical Care Medicine, College of Medicine, Kyung Hee University Hospital at Gangdong, Kyung Hee University, Seoul, South Korea.
2 Interdisciplinary Program of Bioinformatics, Seoul National University, Seoul, South Korea.
3 DNA Link, Seoul, South Korea.
4 Department of Allergy and Clinical Immunology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea.
5 Department of Public Health Sciences, Graduate School of Public Health, Seoul National University, Seoul, South Korea.
6 Interdisciplinary Program of Bioinformatics, College of Natural Science, Seoul National University, Seoul, South Korea.
7 Institute of Health and Environment, Seoul National University, Seoul, South Korea.
8 Department of Public Health Sciences, Seoul National University, Seoul, Korea.