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Hiroaki Takaya, Tadashi Namisaki, Naotaka Shimozato, Kosuke Kaji, Mitsuteru Kitade, Kei Moriya, Shinya Sato, Hideto Kawaratani, Takemi Akahane, Masanori Matsumoto, Hitoshi Yoshiji 
World J Gastrointest Oncol 11(5):424-435. Published online May 15, 2019. doi: 10.4251/wjgo.v11.i5.424