Affiliation: | 1. Division of Pediatric Hematology and Oncology, Taipei Veterans General Hospital, Taipei, Taiwan;2. Department of Pediatrics, Taipei Veterans General Hospital, Taipei, Taiwan;3. Department of Pediatrics, National Yang‐Ming University School of Medicine, Taipei, Taiwan;4. Department of Anatomy, Taipei Medical University, Taipei, Taiwan;5. Institute of Public Health, National Yang‐Ming University School of Medicine, Taipei, Taiwan |