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Jun Nagata, Jun Watanabe, Yusuke Sawatsubashi, Masaki Akiyama, Koichi Arase, Noritaka Minagawa, Takayuki Torigoe, Kotaro Hamada, Yoshifumi Nakayama, Keiji Hirata 
World J Gastrointest Surg 9(8):182-185. Published online Aug 27, 2017. doi: 10.4240/wjgs.v9.i8.182