Choe Young June, Choi Eun Hwa
Department of Social and Preventive Medicine, Hallym University College of Medicine, Chuncheon, Korea.
Department of Pediatrics, Seoul National University College of Medicine, Seoul, Korea.
J Korean Med Sci. 2020 Mar 23;35(11):e127. doi: 10.3346/jkms.2020.35.e127.