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							Hiroki Ikenaga
															
							
									Department of Cardiovascular Medicine, Hiroshima University Graduate School of Biomedical and Health Sciences [Japan]
							 
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							Shinya Takahashi
														
									Department of Surgery, Hiroshima University Graduate School of Biomedical and Health Sciences [Japan]
							 
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							Yukiko Nakano
														
									Department of Cardiovascular Medicine, Hiroshima University Graduate School of Biomedical and Health Sciences [Japan]