1. Department of Family Nursing School of Health Sciences and Nursing Graduate School of Medicine The University of Tokyo TokyoJapan
2. Department of Health Quality and Outcome Research Division of Nursing Systems Global Nursing Research Center Graduate School of Medicine The University of Tokyo TokyoJapan
3. Department of Pediatrics Graduate School of Medicine Kyoto University Kyoto‐shi KyotoJapan
4. Department of Hematology/Oncology Saitama Children’s Medical Center Saitama‐shi SaitamaJapan
5. Department of Hematology/Oncology Tokyo Metropolitan Children’s Medical Center Fuchu‐shi TokyoJapan
6. Department of Pediatrics Kurume University School of Medicine Kurume‐shi Fukuoka Japan