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Editorial
Review
Basic Study
Daniela Gabbia, Arianna Dalla Pozza, Laura Albertoni, Roberta Lazzari, Giorgia Zigiotto, Maria Carrara, Vincenzo Baldo, Tatjana Baldovin, Annarosa Floreani, Sara De Martin 
World J Gastroenterol 23(42):7519-7530. Published online Nov 14, 2017. doi: 10.3748/wjg.v23.i42.7519
Winn Aung, Atsushi B Tsuji, Hitomi Sudo, Aya Sugyo, Yoshinori Ukai, Katsushi Kouda, Yoshikazu Kurosawa, Takako Furukawa, Tsuneo Saga, Tatsuya Higashi 
World J Gastroenterol 23(42):7551-7562. Published online Nov 14, 2017. doi: 10.3748/wjg.v23.i42.7551
Fu-Chun Jing, Jun Zhang, Chen Feng, Yuan-Yuan Nian, Jin-Hai Wang, Hao Hu, Bao-De Yang, Xiao-Ming Sun, Jian-Yun Zheng, Xiao-Ran Yin 
World J Gastroenterol 23(42):7594-7608. Published online Nov 14, 2017. doi: 10.3748/wjg.v23.i42.7594
Retrospective Cohort Study
Mineo Iwatate, Tomoyuki Kitagawa, Yasumi Katayama, Naohiko Tokutomi, Shinichi Ban, Santa Hattori, Noriaki Hasuike, Wataru Sano, Yasushi Sano, Masaya Tamano 
World J Gastroenterol 23(42):7609-7617. Published online Nov 14, 2017. doi: 10.3748/wjg.v23.i42.7609
Observational Study
Raissa Djoufack, Scarlett Se Yun Cheon, Aisha Mohamed, Fatou Faye, Korka Diouf, Richard Colvin, James Morrill, Ann-Marie Duffy-Keane, Ponni Perumalswami, Gonzague Jourdain, Dahlene Fusco 
World J Gastroenterol 23(42):7626-7634. Published online Nov 14, 2017. doi: 10.3748/wjg.v23.i42.7626
Systematic Reviews