1Department of Gastroenterology, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008 Hunan China
2Department of Radiology, Zhuzhou Hospital of Traditional Chinese Medicine, The First Affiliated Hospital of Hunan College of Traditional Chinese Medicine, Zhuzhou, 412000 China
3Department of Endoscopic Medical Center, The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, 283 Tongzipo Road, Changsha, 410013 China
4Department of Gastroenterology, Changsha Central Hospital, 161 South Shaoshan Road, Changsha, 410004 China
5Department of Nephropathy, Changsha Central Hospital, 161 South Shaoshan Road, Changsha, 410004 China
6Department of Ultrasonography, The Third Xiangya Hospital, Central South University, 138 Tongzipo Road, Changsha, 410013 China
7Department of Nephropathy, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008 China
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