Yoon Hong Chun ; Minji Kim ; Hyo-Bin Kim ; Yeong-Ho Rha ; Yang Park ; Yong Mean Park ; Myongsoon Sung ; Youn Ho Shin ; Hye Yung Yum ; Kyung Suk Lee ; Yong Ju Lee ; Hye Mi Jee ; Bong Seok Choi ; Sun Hee Choi ; Hyun Hee Kim ; and for the Rhinitis Study Group in the Korean Academy of Pediatric Allergy and Respiratory Diseases