Affiliation: | a Department of Pediatrics, National Defense Medical College, Saitama, Japan b Department of Medical Informatics, National Defense Medical College Hospital, Saitama, Japan c Department of Pediatrics, Hyogo College of Medicine, Hyogo, Japan d Department of Pediatrics, Shiga University of Medical Science, Shiga, Japan e Department of Pediatrics, Kochi University, Kochi, Japan f Department of Pediatrics, University of Occupational and Environmental Health, Fukuoka, Japan g Department of Pediatrics, Iwate Medical University, Iwate, Japan h Division of Infectious Diseases, Immunology, and Allergy, Saitama Children's Medical Center, Saitama, Japan i Department of Pediatrics, Nagoya University Graduate School of Medicine, Aichi, Japan j Department of Pediatrics, Yamanashi Prefectural Central Hospital, Yamanashi, Japan k Department of Pediatrics, Ibaraki Children's Hospital, Ibaraki, Japan l Department of Pediatrics, Tokyo Medical and Dental University, Tokyo, Japan m Department of Pediatrics, Tohoku University, Miyagi, Japan n Department of Pediatrics, Tokyo Women's Medical University, Tokyo, Japan o Department of Pediatrics, Asahikawa Medical College, Hokkaido, Japan p Department of Pediatrics, Kumamoto University, Kumamoto, Japan q Department of Interdisciplinary Medicine, Nagano Children's Hospital, Nagano, Japan r Department of Hematology/Oncology, Chiba Children's Hospital, Chiba, Japan s Department of Immunology/Hematology/BMT, University Children's Hospital Zurich, Zurich, Switzerland t Department of Pediatrics, Osaka University, Osaka, Japan u Department of Pediatrics, Shimane University, Shimane, Japan v Department of Pediatrics, University of Toyama, Toyama, Japan w Department of Pediatrics, Hokkaido University, Hokkaido, Japan |