| Affiliation: | 1. Department of Pediatrics and Child Health, Nihon University School of Medicine, Itabashi, Japan;2. Division of Medical Education Planning and Development, Nihon University School of Medicine, Itabashi, Japan;3. Department of Pediatrics, Nippon Medical School, Bunkyo, Japan;4. First Department of Pediatrics, Toho University Omori Medical Center, Ota, Tokyo, Japan;5. Department of Pediatric Cardiology and Nephrology, Kyoto Prefectural University of Medicine Graduate School of Medical Science, Kyoto, Japan |
