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Topic Highlight
Review
Basic Study
Sonia Amelia Lozano-Sepulveda, Eduardo Bautista-Osorio, Jose Angel Merino-Mascorro, Marta Varela-Rey, Linda Elsa Muñoz-Espinosa, Paula Cordero-Perez, María Luz Martinez-Chantar, Ana Maria Rivas-Estilla 
World J Gastroenterol 22(14):3746-3757. Published online Apr 14, 2016. doi: 10.3748/wjg.v22.i14.3746
Case Control Study
Retrospective Cohort Study
Retrospective Study
Naoki Sasahira, Tsuyoshi Hamada, Osamu Togawa, Ryuichi Yamamoto, Tomohisa Iwai, Kiichi Tamada, Yoshiaki Kawaguchi, Kenji Shimura, Takero Koike, Yu Yoshida, Kazuya Sugimori, Shomei Ryozawa, Toshiharu Kakimoto, Ko Nishikawa, Katsuya Kitamura, Tsunao Imamura, Masafumi Mizuide, Nobuo Toda, Iruru Maetani, Yuji Sakai, Takao Itoi, Masatsugu Nagahama, Yousuke Nakai, Hiroyuki Isayama 
World J Gastroenterol 22(14):3793-3802. Published online Apr 14, 2016. doi: 10.3748/wjg.v22.i14.3793
Clinical Trials Study
Observational Study
Prospective Study
Emily K Wright, Michael A Kamm, Peter Dr Cruz, Amy L Hamilton, Kathryn J Ritchie, Sally J Bell, Steven J Brown, William R Connell, Paul V Desmond, Danny Liew 
World J Gastroenterol 22(14):3860-3868. Published online Apr 14, 2016. doi: 10.3748/wjg.v22.i14.3860
Case Report