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Topic Highlight
Muriel Mathonnet, Aurelie Perraud, Niki Christou, Hussein Akil, Carole Melin, Serge Battu, Marie-Odile Jauberteau, Yves Denizot 
World J Gastroenterol 20(15):4189-4196. Published online Apr 21, 2014. doi: 10.3748/wjg.v20.i15.4189
Gianluigi Mazzoccoli, Manlio Vinciguerra, Gennaro Papa, Ada Piepoli 
World J Gastroenterol 20(15):4197-4207. Published online Apr 21, 2014. doi: 10.3748/wjg.v20.i15.4197
Miguel Jhonatan Sotelo, Beatriz García-Paredes, Carlos Aguado, Javier Sastre, Eduardo Díaz-Rubio 
World J Gastroenterol 20(15):4208-4219. Published online Apr 21, 2014. doi: 10.3748/wjg.v20.i15.4208
Suk Hee Heo, Jin Woong Kim, Sang Soo Shin, Yong Yeon Jeong, Heoung-Keun Kang 
World J Gastroenterol 20(15):4244-4255. Published online Apr 21, 2014. doi: 10.3748/wjg.v20.i15.4244
Qing-Yang Feng, Ye Wei, Jing-Wen Chen, Wen-Ju Chang, Le-Chi Ye, De-Xiang Zhu, Jian-Min Xu 
World J Gastroenterol 20(15):4263-4275. Published online Apr 21, 2014. doi: 10.3748/wjg.v20.i15.4263
Review
Original Article
Kazuyuki Matsushita, Hideaki Shimada, Yasuji Ueda, Makoto Inoue, Mamoru Hasegawa, Takeshi Tomonaga, Hisahiro Matsubara, Fumio Nomura 
World J Gastroenterol 20(15):4316-4328. Published online Apr 21, 2014. doi: 10.3748/wjg.v20.i15.4316
Research Report
Linda A Feagins, Ramiz Iqbal, Stuart J Spechler 
World J Gastroenterol 20(15):4329-4334. Published online Apr 21, 2014. doi: 10.3748/wjg.v20.i15.4329
Joanna M Lotowska, Maria E Sobaniec-Lotowska, Sylwia B Bockowska, Dariusz M Lebensztejn 
World J Gastroenterol 20(15):4335-4340. Published online Apr 21, 2014. doi: 10.3748/wjg.v20.i15.4335
Érica Martins Ferreira Gotardo, Gilberto de Almeida Ribeiro, Thayane Rodrigues Leite Clemente, Camila Henrique Moscato, Renata Bortolin Guerra Tomé, Thalita Rocha, José Pedrazzoli Jr, Marcelo Lima Ribeiro, Alessandra Gambero 
World J Gastroenterol 20(15):4345-4352. Published online Apr 21, 2014. doi: 10.3748/wjg.v20.i15.4345
Mikiko Fujita, Yuri Nakamura, Saeko Kasashima, Maiko Furukawa, Ryoichi Misaka, Hikaru Nagahara 
World J Gastroenterol 20(15):4353-4361. Published online Apr 21, 2014. doi: 10.3748/wjg.v20.i15.4353
Tsutomu Nishida, Masahiko Tsujii, Hirohisa Tanimura, Shusaku Tsutsui, Shingo Tsuji, Akira Takeda, Atsuo Inoue, Hiroyuki Fukui, Toshiyuki Yoshio, Osamu Kishida, Hiroyuki Ogawa, Masahide Oshita, Ichizo Kobayashi, Shinichiro Zushi, Makoto Ichiba, Naoto Uenoyama, Yuichi Yasunaga, Ryu Ishihara, Mamoru Yura, Masato Komori, Satoshi Egawa, Hideki Iijima, Tetsuo Takehara 
World J Gastroenterol 20(15):4362-4369. Published online Apr 21, 2014. doi: 10.3748/wjg.v20.i15.4362
Eran Goldin, Mahmud Mahamid, Benjamin Koslowsky, Shimon Shteingart, Yael Dubner, Gadi Lalazar, Dov Wengrower 
World J Gastroenterol 20(15):4377-4381. Published online Apr 21, 2014. doi: 10.3748/wjg.v20.i15.4377
Shira Zelber-Sagi, Assaf Buch, Hanny Yeshua, Nahum Vaisman, Muriel Webb, Gil Harari, Ofer Kis, Naomi Fliss-Isakov, Elena Izkhakov, Zamir Halpern, Erwin Santo, Ran Oren, Oren Shibolet 
World J Gastroenterol 20(15):4382-4392. Published online Apr 21, 2014. doi: 10.3748/wjg.v20.i15.4382
Jian-Jun Peng, Ping Xiao, Jian-Bo Xu, Wu Song, Bing Liao, Yu-Long He 
World J Gastroenterol 20(15):4401-4406. Published online Apr 21, 2014. doi: 10.3748/wjg.v20.i15.4401
Case Report
Sebastian S Zeki, Rehan Haidry, Manuel Justo-Rodriguez, Laurence B Lovat, Nicholas A Wright, Stuart A McDonald 
World J Gastroenterol 20(15):4453-4456. Published online Apr 21, 2014. doi: 10.3748/wjg.v20.i15.4453
Luigi Camera, Marco Sagnelli, Paolo Guadagno, Pier Paolo Mainenti, Teresa Marra, Maria Scotto di Santolo, Landino Fei, Marco Salvatore 
World J Gastroenterol 20(15):4457-4461. Published online Apr 21, 2014. doi: 10.3748/wjg.v20.i15.4457
Lorenzo C Pescatori, Vincenzo Villanacci, Mario Pescatori 
World J Gastroenterol 20(15):4462-4466. Published online Apr 21, 2014. doi: 10.3748/wjg.v20.i15.4462