[1] the University of Tokyo,Department of Family Nursing, Graduate School of Medicine
[2] Ehime University,Department of Pediatrics, Graduate School of Medicine
[3] Kurume University,Department of Pediatrics and Child Health, School of Medicine
[4] National Research Institute for Child Health and Development,Departments of Epidemiology
[5] Kagawa Children’s Hospital,Department of Hemato
[6] National Kyushu Cancer Center,oncology
[7] Niigata Cancer Center Hospital,Institute for Clinical Research
[8] Nagoya Medical Center,Department of Pediatrics
[9] National Research Institute for Child Health and Development,Department of Pediatrics
[10] Nagoya Medical Center,Departments of Health Policy
[11] St. Luke’s International Hospital,Clinical Research Center