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Open-Access Journal
Editorial
Damian J Harding, M Thamara PR Perera, Frederick Chen, Simon Olliff, Dhiraj Tripathi 
World J Gastroenterol 21(22):6769-6784. Published online Jun 14, 2015. doi: 10.3748/wjg.v21.i22.6769
Riccardo De Robertis, Paolo Tinazzi Martini, Emanuele Demozzi, Gino Puntel, Silvia Ortolani, Sara Cingarlini, Andrea Ruzzenente, Alfredo Guglielmi, Giampaolo Tortora, Claudio Bassi, Paolo Pederzoli, Mirko D’Onofrio 
World J Gastroenterol 21(22):6794-6808. Published online Jun 14, 2015. doi: 10.3748/wjg.v21.i22.6794
Topic Highlight
Review
Enver Zerem, Goran Hauser, Svjetlana Loga-Zec, Suad Kunosić, Predrag Jovanović, Dino Crnkić 
World J Gastroenterol 21(22):6850-6860. Published online Jun 14, 2015. doi: 10.3748/wjg.v21.i22.6850
Basic Study
Bo Qi, Jian-Guo Lu, Wen-Jian Yao, Ting-Min Chang, Xiu-Guang Qin, Ying-Hua Ji, Tian-Yun Wang, Shang-Guo Liu, Han-Chen Li, Yu-Zhen Liu, Bao-Sheng Zhao 
World J Gastroenterol 21(22):6884-6891. Published online Jun 14, 2015. doi: 10.3748/wjg.v21.i22.6884
Case Control Study
Nicola Balato, Maddalena Napolitano, Fabio Ayala, Cataldo Patruno, Matteo Megna, Giovanni Tarantino 
World J Gastroenterol 21(22):6892-6897. Published online Jun 14, 2015. doi: 10.3748/wjg.v21.i22.6892
Retrospective Cohort Study
Ji Yeon Seo, Eun Hyo Jin, Hyun Jin Jo, Hyuk Yoon, Cheol Min Shin, Young Soo Park, Nayoung Kim, Hyun Chae Jung, Dong Ho Lee 
World J Gastroenterol 21(22):6905-6913. Published online Jun 14, 2015. doi: 10.3748/wjg.v21.i22.6905
Retrospective Study
Qiu-Long Shen, Ya-Jun Chen, Zeng-Meng Wang, Ting-Chong Zhang, Wen-Bo Pang, Jun Shu, Chun-Hui Peng 
World J Gastroenterol 21(22):6931-6936. Published online Jun 14, 2015. doi: 10.3748/wjg.v21.i22.6931
Clinical Trials Study
Nora Sipeki, Laszlo Davida, Eszter Palyu, Istvan Altorjay, Jolan Harsfalvi, Peter Antal Szalmas, Zoltan Szabo, Gabor Veres, Zakera Shums, Gary L Norman, Peter L Lakatos, Maria Papp 
World J Gastroenterol 21(22):6952-6964. Published online Jun 14, 2015. doi: 10.3748/wjg.v21.i22.6952
Jing Sun, Yao-Zong Yuan, Xiao-Hua Hou, Duo-Wu Zou, Bin Lu, Min-Hu Chen, Fei Liu, Kai-Chun Wu, Xiao-Ping Zou, Yan-Qing Li, Li-Ya Zhou 
World J Gastroenterol 21(22):6965-6973. Published online Jun 14, 2015. doi: 10.3748/wjg.v21.i22.6965
Observational Study
Branislav Milovanovic, Branka Filipovic, Slavica Mutavdzin, Marija Zdravkovic, Tatjana Gligorijevic, Jovana Paunovic, Marina Arsic 
World J Gastroenterol 21(22):6982-6989. Published online Jun 14, 2015. doi: 10.3748/wjg.v21.i22.6982
Marcos Ricardo da Silva Rodrigues, Marco Aurelio Santo, Giovani Marino Favero, Elaine Cristina Vieira, Roberto Ferreira Artoni, Viviane Nogaroto, Egberto Gaspar de Moura, Patricia Lisboa, Fabio Quirillo Milleo 
World J Gastroenterol 21(22):6990-6998. Published online Jun 14, 2015. doi: 10.3748/wjg.v21.i22.6990
Prospective Study
Sevil Uygun Ilikhan, Muammer Bilici, Hatice Sahin, Ayşe Semra Demir Akca, Murat Can, Ibrahim Ilker Oz, Berrak Guven, M Cagatay Buyukuysal, Yucel Ustundag 
World J Gastroenterol 21(22):6999-7007. Published online Jun 14, 2015. doi: 10.3748/wjg.v21.i22.6999
Randomized Controlled Trial
Systematic Reviews
Meta-Analysis
Case Report
Safi Dokmak, Béatrice Aussilhou, Fanjandrainy Rasoaherinomenjanahary, Alain Sauvanet, Marie-Pierre Vullierme, Vinciane Rebours, Philippe Lévy 
World J Gastroenterol 21(22):7047-7051. Published online Jun 14, 2015. doi: 10.3748/wjg.v21.i22.7047