Jisun Yoon; Seung-Hwa Lee; Jiseon Kim; Kyungmo Hong; So-Yeon Lee; Hea Young Oh; Sungsu Jung; Da Kyeong Lee; Eom Ji Choi; Ji Soo Park; Youn Ho Shin; Kyung Won Kim; Kangmo Ahn; Jihyun Kim; Yee-Jin Shin; Kyung-Sook Lee; Dong In Suh; Soo-Jong Hong; the Cohort for Childhood Origin of Asthma and Allergic Diseases (COCOA) and Panel Study on Korean Children (PSKC) Study Groups