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Takeshi Yokoo, Tsutomu Kanefuji, Takeshi Suda, Itsuo Nagayama, Takahiro Hoshi, Satoshi Abe, Shinichi Morita, Hiroteru Kamimura, Kenya Kamimura, Atsunori Tsuchiya, Masaaki Takamura, Kazuyoshi Yagi, Shuji Terai 
World J Gastroenterol 25(20):2503-2513. Published online May 28, 2019. doi: 10.3748/wjg.v25.i20.2503
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