Affiliations

• ¹ Department of Pediatrics, International St Mary's Hospital, Catholic Kwandong University College of Medicine, Incheon, Korea.
• ² Department of Pediatrics, CHA Medical Center, CHA University College of Medicine, Seoul, Korea.
• ³ Asan Institute for Life Science, University of Ulsan College of Medicine, Seoul, Korea.
• ⁴ Department of Pediatrics, Childhood Asthma Atopy Center, Environmental Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
• ⁵ Department of Pediatrics, MediplexSejong Hospital, Incheon, Korea.
• ⁶ Department of Pediatrics, Hallym University Sacred Heart Hospital, Hallym University College of Medicine, Anyang, Korea.
• ⁷ Department of Pediatrics, Chonnam National University Hospital, Chonnam National University Medical School, Gwangju, Korea.
• ⁸ Department of Pediatrics, Dankook University Hospital, Cheonan, Korea.
• ⁹ Department of Pediatrics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Environmental Health Center for Atopic Disease, Seoul, Korea.
• ¹⁰ Department of Pediatrics, Yonsei University College of Medicine, Seoul, Korea.
• ¹¹ Department of Pediatrics, Seoul National University College of Medicine, Seoul, Korea.
• ¹² Department of Obstetrics and Gynecology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
• ¹³ Department of Obstetrics and Gynecology, CHA Medical Center, CHA University School of Medicine, Seoul, Korea.
• ¹⁴ Department of Obstetrics and Gynecology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
• ¹⁵ Department of Obstetrics and Gynecology, Yonsei University College of Medicine, Seoul, Korea.
• ¹⁶ Department of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul, Korea.
• ¹⁷ Biomedical Research Institute, Kangwon National University Hospital, Chuncheon, Korea.
• ¹⁸ Department of Food and Nutrition, Research Institute of Human Ecology, Kyung Hee University, Seoul, Korea.
• ¹⁹ Asan Institute for Life Science, University of Ulsan College of Medicine, Seoul, Korea; Department of Pediatrics, Childhood Asthma Atopy Center, Environmental Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea. Electronic address: sjhong@amc.seoul.kr.