Affiliation: | 1. Department of Gastroenterology, Shengjing Hospital, China Medical University, , Shenyang, China;2. Central Laboratory, The First Affiliated Hospital of Dalian Medical University, , Dalian, Liaoning Province, China;3. Department of Clinical Pathology, The First Affiliated Hospital of Dalian Medical University, , Dalian, Liaoning Province, China;4. Clinical Laboratory of Gene Diagnosis, The First Affiliated Hospital of Dalian Medical University, , Dalian, Liaoning Province, China |