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Department of Surgery, Kyoto University Graduate School of Medicine, Sakyo, Kyoto, Japan
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Financial Disclosure: None reported.
Correspondence: Suguru Hasegawa, M.D., Ph.D., Department of Surgery, Kyoto University Graduate School of Medicine, 54 Shogoinkawaharacho, Sakyo, Kyoto 606–8507, Japan. E-mail: email@example.com