Affiliation: | 1. Department of Pediatrics, Seoul National University College of Medicine, Seoul, Korea;2. Seoul National University Cancer Research Institute, Seoul, Korea;3. https://orcid.org/0000-0003-1009-6002;4. Hyoung Jin Kang, Department of Pediatrics, Seoul National University College of Medicine, Seoul National University Cancer Research Institute, 101 Daehak‐ro, Jongno‐gu, Seoul 03722, Korea.;5. Department of Laboratory Medicine, Hallym University Sacred Heart Hospital, Anyang, Korea;6. Department of Laboratory Medicine, Seoul National University, Seoul, Korea |