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Open-Access Journal
Opinion Review
Expert Consensus
Maryam Alkhatry, Ahmad Al-Rifai, Vito Annese, Filippos Georgopoulos, Ahmad N Jazzar, Ahmed M Khassouan, Zaher Koutoubi, Rahul Nathwani, Mazen S Taha, Jimmy K Limdi 
World J Gastroenterol 26(43):6710-6769. Published online Nov 21, 2020. doi: 10.3748/wjg.v26.i43.6710
Minireviews
Cristina Maria Muzica, Carol Stanciu, Laura Huiban, Ana-Maria Singeap, Catalin Sfarti, Sebastian Zenovia, Camelia Cojocariu, Anca Trifan 
World J Gastroenterol 26(43):6770-6781. Published online Nov 21, 2020. doi: 10.3748/wjg.v26.i43.6770
Basic Study
Michelle Liz de Souza Pessoa, Leiliane Macena Oliveira Silva, Maria Elaine Cristina Araruna, Catarina Alves de Lima Serafim, Edvaldo Balbino Alves Júnior, Alessa Oliveira Silva, Matheus Marley Bezerra Pessoa, Hermes Diniz Neto, Edeltrudes de Oliveira Lima, Leônia Maria Batista 
World J Gastroenterol 26(43):6795-6809. Published online Nov 21, 2020. doi: 10.3748/wjg.v26.i43.6795
Jing Hu, Yu-Mei Zhang, Yi-Fan Miao, Lv Zhu, Xiao-Lin Yi, Huan Chen, Xi-Jing Yang, Mei-Hua Wan, Wen-Fu Tang 
World J Gastroenterol 26(43):6810-6821. Published online Nov 21, 2020. doi: 10.3748/wjg.v26.i43.6810
Matteo Palmeri, Niccola Funel, Gregorio Di Franco, Niccolò Furbetta, Desirée Gianardi, Simone Guadagni, Matteo Bianchini, Luca E Pollina, Claudio Ricci, Marco Del Chiaro, Giulio Di Candio, Luca Morelli 
World J Gastroenterol 26(43):6822-6836. Published online Nov 21, 2020. doi: 10.3748/wjg.v26.i43.6822
Retrospective Cohort Study
Clinical Trials Study
Observational Study
Omar Elshaarawy, Sameh Aldesoky Lashen, Nahed A Makhlouf, Doaa Abdeltawab, Mariam Salah Zaghloul, Rasha M Ahmed, Hayam Fathy, Shimaa Afifi, Muhammad Abdel-Gawad, Eman Abdelsameea, Sherief Abd-Elsalam, Salem Youssef Mohamed, Mohammed Tag-Adeen, Mina Tharwat, Ahmed Alzamzamy, Ahmed Nasr Bekhit, Alshaimaa M Eid, Abeer Awad, Mohammad Aamr, Waleed A Abd El Dayem, Mohamed-Naguib Wifi, Mohamed Alboraie 
World J Gastroenterol 26(43):6880-6890. Published online Nov 21, 2020. doi: 10.3748/wjg.v26.i43.6880
Systematic Reviews
Ruma Rajbhandari, Samantha Blakemore, Neil Gupta, Alma J Adler, Christopher Allen Noble, Sara Mannan, Klejda Nikolli, Alison Yih, Sameer Joshi, Gene Bukhman 
World J Gastroenterol 26(43):6891-6908. Published online Nov 21, 2020. doi: 10.3748/wjg.v26.i43.6891