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Topic Highlight
Simon Pernot, Magali Terme, Thibault Voron, Orianne Colussi, Elie Marcheteau, Eric Tartour, Julien Taieb 
World J Gastroenterol 20(14):3738-3750. Published online Apr 14, 2014. doi: 10.3748/wjg.v20.i14.3738
Giampaolo Ugolini, Federico Ghignone, Davide Zattoni, Giacomo Veronese, Isacco Montroni 
World J Gastroenterol 20(14):3762-3777. Published online Apr 14, 2014. doi: 10.3748/wjg.v20.i14.3762
Paula Álvarez-Chaver, Olalla Otero-Estévez, María Páez de la Cadena, Francisco J Rodríguez-Berrocal, Vicenta S Martínez-Zorzano 
World J Gastroenterol 20(14):3804-3824. Published online Apr 14, 2014. doi: 10.3748/wjg.v20.i14.3804
Miroslav Zavoral, Stepan Suchanek, Ondrej Majek, Premysl Fric, Petra Minarikova, Marek Minarik, Bohumil Seifert, Ladislav Dusek 
World J Gastroenterol 20(14):3825-3834. Published online Apr 14, 2014. doi: 10.3748/wjg.v20.i14.3825
Andy Hin-Fung Tsang, Ka-Ho Cheng, Apple Siu-Ping Wong, Simon Siu-Man Ng, Brigette Buig-Yue Ma, Charles Ming-Lok Chan, Nancy Bo-Yin Tsui, Lawrence Wing-Chi Chan, Benjamin Yat-Ming Yung, Sze-Chuen Cesar Wong 
World J Gastroenterol 20(14):3847-3857. Published online Apr 14, 2014. doi: 10.3748/wjg.v20.i14.3847
Hiroyuki Yamamoto, Yoshiyuki Watanabe, Tadateru Maehata, Ryo Morita, Yoshihito Yoshida, Ritsuko Oikawa, Shinya Ishigooka, Shun-ichiro Ozawa, Yasumasa Matsuo, Kosuke Hosoya, Masaki Yamashita, Hiroaki Taniguchi, Katsuhiko Nosho, Hiromu Suzuki, Hiroshi Yasuda, Yasuhisa Shinomura, Fumio Itoh 
World J Gastroenterol 20(14):3927-3937. Published online Apr 14, 2014. doi: 10.3748/wjg.v20.i14.3927
Review
Original Article
Bjarte Fosby, Sigrid Næss, Johannes R Hov, James Traherne, Kirsten M Boberg, John Trowsdale, Aksel Foss, Pål-Dag Line, Andre Franke, Espen Melum, Helge Scott, Tom H Karlsen 
World J Gastroenterol 20(14):3986-4000. Published online Apr 14, 2014. doi: 10.3748/wjg.v20.i14.3986
Research Report
Stephen J Hayes, Keng Ngee Hng, Peter Clark, Fiona Thistlethwaite, Robert E Hawkins, Yeng Ang 
World J Gastroenterol 20(14):4011-4016. Published online Apr 14, 2014. doi: 10.3748/wjg.v20.i14.4011
Valentin Becker, Stefan Grotz, Christoph Schlag, Simon Nennstiel, Analena Beitz, Bernhard Haller, Roland M Schmid, Alexander Meining, Monther Bajbouj 
World J Gastroenterol 20(14):4017-4024. Published online Apr 14, 2014. doi: 10.3748/wjg.v20.i14.4017
Gianpaolo Balzano, Michele Carvello, Lorenzo Piemonti, Rita Nano, Riccardo Ariotti, Alessia Mercalli, Raffaella Melzi, Paola Maffi, Marco Braga, Carlo Staudacher 
World J Gastroenterol 20(14):4030-4036. Published online Apr 14, 2014. doi: 10.3748/wjg.v20.i14.4030
Imre Ilves, Anne Fagerström, Karl-Heinz Herzig, Petri Juvonen, Pekka Miettinen, Hannu Paajanen 
World J Gastroenterol 20(14):4037-4042. Published online Apr 14, 2014. doi: 10.3748/wjg.v20.i14.4037
Jong Man Kim, Tae Wook Kang, Choon Hyuck David Kwon, Jae-Won Joh, Justin Sangwook Ko, Jae Berm Park, Hyunchul Rhim, Joon Hyeok Lee, Sung Joo Kim, Seung Woon Paik 
World J Gastroenterol 20(14):4059-4065. Published online Apr 14, 2014. doi: 10.3748/wjg.v20.i14.4059
Kai-Li Wang, Han-Qian Xing, Hong Zhao, Jun-Wei Liu, Deng-Lian Gao, Xue-Hua Zhang, Hong-Yu Yao, Li Yan, Jun Zhao 
World J Gastroenterol 20(14):4071-4075. Published online Apr 14, 2014. doi: 10.3748/wjg.v20.i14.4071
Evidence-Based Medicine
Yun-Feng Wang, Fei-Ling Feng, Xu-Hong Zhao, Zhen-Xiong Ye, He-Ping Zeng, Zhen Li, Xiao-Qing Jiang, Zhi-Hai Peng 
World J Gastroenterol 20(14):4085-4092. Published online Apr 14, 2014. doi: 10.3748/wjg.v20.i14.4085
Meta-Analysis
Abhishek Choudhary, Jessica Winn, Sameer Siddique, Murtaza Arif, Zainab Arif, Ghassan M Hammoud, Srinivas R Puli, Jamal A Ibdah, Matthew L Bechtold 
World J Gastroenterol 20(14):4093-4101. Published online Apr 14, 2014. doi: 10.3748/wjg.v20.i14.4093
Case Report
Agnieszka Budzynska, Marek Hartleb, Ewa Nowakowska-Dulawa, Robert Krol, Piotr Remiszewski, Michal Mazurkiewicz 
World J Gastroenterol 20(14):4102-4105. Published online Apr 14, 2014. doi: 10.3748/wjg.v20.i14.4102