- 
							Dennosuke JINNAI
														
									Dept. of Neurological Surgery, Osaka University Medical School
							 
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							Akitane MORI
														
									Dept. of Neurological Surgery, Osaka University Medical School
							 
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							Masanori KAWANISHI
														
									Dept. of Neurological Surgery, Osaka University Medical School
							 
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							Riyosuke SUGIU
														
									1st Dept. of Surgery, Okayama University Medical School
							 
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							Sadahiko MASUKAWA
														
									1st Dept. of Surgery, Okayama University Medical School
							 
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							Shintaro MIYAKE
														
									1st Dept. of Surgery, Okayama University Medical School