1Department of Gastroenterology and Hepatology, Jinling Hospital, Medical School of Nanjing University, 305 Zhongshan East Road, Nanjing, 210002 Jiangsu Province China
2Department of Gastroenterology and Hepatology, Jinling Hospital, Clinical Medical School of Southern Medical University, Nanjing, 210002 China
3School of Medical Imaging, Xuzhou Medical University, Xuzhou, 221004 China
4Department of Medical Imaging, Jinling Hospital, Medical School of Nanjing University, 305 Zhongshan East Road, Nanjing, 210002 Jiangsu Province China
© The Author(s) 2018
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