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							Makoto Komura
														
									Department of Pediatric Surgery, University of Tokyo
							 
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							Yujiro Tanaka
														
									Department of Pediatric Surgery, University of Tokyo
							 
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							Tetsuro Kodaka
														
									Department of Pediatric Surgery, University of Tokyo
							 
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							Masahiko Sugiyama
														
									Department of Pediatric Surgery, University of Tokyo
							 
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							Yutaka Kanamori
														
									Department of Pediatric Surgery, University of Tokyo
							 
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							Yoshimasa Kamei
														
									Department of Gynecology, University of Tokyo
							 
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							Tadashi Iwanaka
														
									Department of Pediatric Surgery, University of Tokyo