1. Department of Public Health Science, Graduate School of Public Health, Seoul National University, Seoul, Korea.
2. Mo-Im Kim Nursing Research Institute, Yonsei University College of Nursing, Seoul, Korea.
3. SCH Biomedical Informatics Research Unit, Soonchunhyang University Seoul Hospital, Seoul, Korea.
4. Pediatric Allergy and Respiratory Center, Department of Pediatrics, Soonchunhyang University Seoul Hospital, Soonchunhyang University College of Medicine, Seoul, Korea.
5. Institute of Health and Environment, Seoul National University, Seoul, Korea.
6. Interdisciplinary Program of Bioinformatics, Seoul National University, Seoul, Korea.
7. Department of Pediatrics, Hallym University Kangnam Sacred Heart Hospital, Seoul, Korea.