?:authorAffiliation
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[\'Department of Gastroenterology, The First Hospital of Lanzhou University, Lanzhou, China; The First Clinical Medical School of Lanzhou University, Lanzhou, China.\', \'Department of Gastroenterology, The First Hospital of Lanzhou University, Lanzhou, China; Key Laboratory for Gastrointestinal Diseases of Gansu Province, The First Hospital of Lanzhou University, Lanzhou, China.\', \'Department of Gastroenterology, The First Hospital of Lanzhou University, Lanzhou, China; Gastrointestinal Endoscopy Center, Department of Gastroenterology, The First Hospital of Lanzhou University, Lanzhou, China.\', \'Department of Gastroenterology, The First Hospital of Lanzhou University, Lanzhou, China; Key Laboratory for Gastrointestinal Diseases of Gansu Province, The First Hospital of Lanzhou University, Lanzhou, China; Gastrointestinal Endoscopy Center, Department of Gastroenterology, The First Hospital of Lanzhou University, Lanzhou, China.\', \'The First Clinical Medical School of Lanzhou University, Lanzhou, China.\', \'Department of Gastroenterology, The First Hospital of Lanzhou University, Lanzhou, China; Key Laboratory for Gastrointestinal Diseases of Gansu Province, The First Hospital of Lanzhou University, Lanzhou, China. Electronic address: wangyuping@lzu.edu.cn.\', \'Department of Gastroenterology, The First Hospital of Lanzhou University, Lanzhou, China; Key Laboratory for Gastrointestinal Diseases of Gansu Province, The First Hospital of Lanzhou University, Lanzhou, China; Gastrointestinal Endoscopy Center, Department of Gastroenterology, The First Hospital of Lanzhou University, Lanzhou, China. Electronic address: zhouyn@lzu.edu.cn.\']
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