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Open-Access Journal
Retrospective Study
Sungjin Kim, Timothy P DiPeri, Michelle Guan, Veronica R Placencio-Hickok, Haesoo Kim, Jar-Yee Liu, Andrew Hendifar, Samuel J Klempner, Ryan Nipp, Alexandra Gangi, Miguel Burch, Kevin Waters, May Cho, Joseph Chao, Katelyn Atkins, Mitchell Kamrava, Richard Tuli, Jun Gong 
World J Gastrointest Surg 12(9):377-389. Published online Sep 27, 2020. doi: 10.4240/wjgs.v12.i9.377
Observational Study
Kitinat Timudom, Thawatchai Akaraviputh, Vitoon Chinswangwatanakul, Ananya Pongpaibul, Pornpim Korpraphong, Janjira Petsuksiri, Suthinee Ithimakin, Atthaphorn Trakarnsanga 
World J Gastrointest Surg 12(9):390-396. Published online Sep 27, 2020. doi: 10.4240/wjgs.v12.i9.390
Case Report
Masahiro Yura, Kazuo Koyanagi, Kiyohiko Adachi, Asuka Hara, Keita Hayashi, Yuki Tajima, Yasushi Kaneko, Hiroto Fujisaki, Akira Hirata, Kiminori Takano, Kumiko Hongo, Kikuo Yo, Kimiyasu Yoneyama, Reiko Dehari, Motohito Nakagawa 
World J Gastrointest Surg 12(9):397-406. Published online Sep 27, 2020. doi: 10.4240/wjgs.v12.i9.397