Affiliation: | 1. Department of Pediatrics, Ehime University Graduate School of Medicine, , Toon, Japan;2. Department of Pediatrics, Hirosaki University, , Hirosaki, Japan;3. Histiocytosis Committee of the Japanese Society of Pediatric Hematology and Oncology, , Tokyo, Japan;4. Bioregulatory Medicine, Ehime University Graduate School of Medicine, , Toon, Japan |