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Open-Access Journal
Editorial
Review
Hiroyuki Matsubayashi, Kyoichi Takaori, Chigusa Morizane, Hiroyuki Maguchi, Masamichi Mizuma, Hideaki Takahashi, Keita Wada, Hiroko Hosoi, Shinichi Yachida, Masami Suzuki, Risa Usui, Toru Furukawa, Junji Furuse, Takamitsu Sato, Makoto Ueno, Yoshimi Kiyozumi, Susumu Hijioka, Nobumasa Mizuno, Takeshi Terashima, Masaki Mizumoto, Yuzo Kodama, Masako Torishima, Takahisa Kawaguchi, Reiko Ashida, Masayuki Kitano, Keiji Hanada, Masayuki Furukawa, Ken Kawabe, Yoshiyuki Majima, Toru Shimosegawa 
World J Gastroenterol 23(6):935-948. Published online Feb 14, 2017. doi: 10.3748/wjg.v23.i6.935
Minireviews
Dóra Mosztbacher, Nelli Farkas, Margit Solymár, Gabriella Pár, Judit Bajor, Ákos Szűcs, József Czimmer, Katalin Márta, Alexandra Mikó, Zoltán Rumbus, Péter Varjú, Péter Hegyi, Andrea Párniczky 
World J Gastroenterol 23(6):957-963. Published online Feb 14, 2017. doi: 10.3748/wjg.v23.i6.957
Basic Study
Xiao-Qiang Mo, Hong-Yu Wei, Gan-Rong Huang, Ling-Yuan Xu, Yu-Li Chen, Jiang Qi, Wei Xian, Yan-Chun Qin, Lian-Deng Wei, Li-Juan Zhao, Yan-Qiang Huang, Wei Xing, Hong-Qin Pu, Peng-Ya Wei, Chao-Gan Li, Qiu-Chun Liang 
World J Gastroenterol 23(6):1010-1017. Published online Feb 14, 2017. doi: 10.3748/wjg.v23.i6.1010
Case Control Study
Sanne van Erp, Ece Ercan, Perla Breedveld, Lianne Brakenhoff, Eidrees Ghariq, Sophie Schmid, Matthias van Osch, Mark van Buchem, Bart Emmer, Jeroen van der Grond, Ron Wolterbeek, Daniel Hommes, Herma Fidder, Nic van der Wee, Tom Huizinga, Désirée van der Heijde, Huub Middelkoop, Itamar Ronen, Andrea van der Meulen-de Jong 
World J Gastroenterol 23(6):1018-1029. Published online Feb 14, 2017. doi: 10.3748/wjg.v23.i6.1018
Retrospective Cohort Study
Retrospective Study
Hafiz Hamad Ashraf, Joanne Palmer, Harry Richard Dalton, Carolyn Waters, Thomas Luff, Madeline Strugnell, Iain Alexander Murray 
World J Gastroenterol 23(6):1038-1043. Published online Feb 14, 2017. doi: 10.3748/wjg.v23.i6.1038
Observational Study
Shmuel Odes, Michael Friger, Ruslan Sergienko, Doron Schwartz, Orly Sarid, Vered Slonim-Nevo, Terri Singer, Elena Chernin, Hillel Vardi, Dan Greenberg, Israel IBD Research Nucleus 
World J Gastroenterol 23(6):1076-1089. Published online Feb 14, 2017. doi: 10.3748/wjg.v23.i6.1076
Prospective Study
Case Report
Michael A Mederos, Nicole Villafañe, Sadhna Dhingra, Carlos Farinas, Amy McElhany, William E Fisher, George Van Buren II 
World J Gastroenterol 23(6):1113-1118. Published online Feb 14, 2017. doi: 10.3748/wjg.v23.i6.1113