Affiliation: | a Department of Pediatric Oncology, Key Laboratory of Cancer Prevention and Therapy of Tianjin, Tianjin Medical University Cancer Institute and Hospital, Tianjin 300060, Chinab Department of Pediatric Surgery, Osaka University Graduate School of Medicine, Osaka 565-0871, Japanc Department of Functional Diagnostic Science, Osaka University Graduate School of Medicine, Osaka 565-0871, Japan |