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Satomi Koyama
Department of Pediatrics, Dokkyo Medical University, Tochigi, Japan
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Junko Naganuma
Department of Pediatrics, Dokkyo Medical University, Tochigi, Japan
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Osamu Arisaka
Department of Pediatrics, Dokkyo Medical University, Tochigi, Japan Department of Pediatrics, Nasu Red Cross Hospital, Tochigi, Japan
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Shigemi Yoshihara
Department of Pediatrics, Dokkyo Medical University, Tochigi, Japan