Kim HY, Park HJ. Mycoplasma pneumoniae pneumonia in children: Clinical characteristics and risk factors of refractory pneumonia by age. Allergy Asthma Respir Dis. 2018;6(6):295-302 Kim HY, Um TM, Park HJ. A Novel Mutation in CD40LG Gene Causing X-Linked Hyper IgM Syndrome. Indian J Pediatr;2018:85(9)L788-789 Lee E, Shim JY, Kim HY et al. Clinical characteristics and etiologies of bronchiectasis in Korean children: A multicenter retrospective study. Respir Med 2019;150:8-14 Kim HY, Kim YM, Park HJ. Disseminated BCG pneumonitis revealing severe combined immunodeficiencyxs in CHARGE syndrome. Pediatr Pulmonol. 2017;52(2):E4-E6 Lee E, Lee SH, Kim HY et al. Association of atopy phenotypes with new development of asthma and bronchial hyperresponsiveness in school-aged children. Ann Allergy Asthma Immunol. 2017;118(5):542-550.e1 Sheen YH, Lee E, Kim HY et al. Interaction between 25-hydroxyvitamin D and variants at 17q12-21 on respiratory infections. Pediatr Pulmonol. 2016;51(9):958-67 Kim KW, Ahn K, Kim HY et al. Humidifier disinfectant-associated children's interstitial lung disease. 2014;1;189(1):48-56