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Open-Access Journal
Editorial
Review
Minireviews
Joanna Sieczkowska-Golub, Dorota Jarzebicka, Grzegorz Oracz, Jaroslaw Kierkus 
World J Gastroenterol 24(35):4021-4027. Published online Sep 21, 2018. doi: 10.3748/wjg.v24.i35.4021
Basic Study
Eglantina Idrizaj, Rachele Garella, Giovanni Castellini, Hermine Mohr, Natalia S Pellegata, Fabio Francini, Valdo Ricca, Roberta Squecco, Maria Caterina Baccari 
World J Gastroenterol 24(35):4028-4035. Published online Sep 21, 2018. doi: 10.3748/wjg.v24.i35.4028
Keizo Hiraishi, Lin-Hai Kurahara, Miho Sumiyoshi, Yao-Peng Hu, Kaori Koga, Miki Onitsuka, Daibo Kojima, Lixia Yue, Hidetoshi Takedatsu, Yu-Wen Jian, Ryuji Inoue 
World J Gastroenterol 24(35):4036-4053. Published online Sep 21, 2018. doi: 10.3748/wjg.v24.i35.4036
Retrospective Cohort Study
Retrospective Study
Osamu Toyoshima, Toshihiro Nishizawa, Kosuke Sakitani, Tadahiro Yamakawa, Yoshiyuki Takahashi, Nobutake Yamamichi, Keisuke Hata, Yasuyuki Seto, Kazuhiko Koike, Hidenobu Watanabe, Hidekazu Suzuki 
World J Gastroenterol 24(35):4061-4068. Published online Sep 21, 2018. doi: 10.3748/wjg.v24.i35.4061
Observational Study
Pasquale Klepp, Anita Tollisen, Arne Røseth, Milada Cvancarova Småstuen, Solveig N Andersen, Morten Vatn, Bjørn A Moum, Stephan Brackmann 
World J Gastroenterol 24(35):4069-4076. Published online Sep 21, 2018. doi: 10.3748/wjg.v24.i35.4069
Randomized Clinical Trial
Hiromitsu Ban, Mitsushige Sugimoto, Taketo Otsuka, Masaki Murata, Toshiro Nakata, Hiroshi Hasegawa, Osamu Inatomi, Shigeki Bamba, Akira Andoh 
World J Gastroenterol 24(35):4077-4085. Published online Sep 21, 2018. doi: 10.3748/wjg.v24.i35.4077
Case Report