?:authorAffiliation
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[\'Department of Gastroenterology, the First Hospital of Lanzhou University, Lanzhou, China; Key Laboratory for Gastrointestinal Diseases, Gansu Province, The First Hospital of Lanzhou University, Lanzhou, China; Department of Gastroenterology, Gansu Provincial Hospital, Lanzhou, China.\', \'Key Laboratory for Gastrointestinal Diseases, Gansu Province, The First Hospital of Lanzhou University, Lanzhou, China; Department of Oncology, 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, Gansu Province, The First Hospital of Lanzhou University, Lanzhou, China.\']
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