1. Department of Pathology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215006, China
2. Center of Clinical Oncology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu 221004, China
3. Department of Gastroenterology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450002, China
4. Department of Nephrology, Shanghai Tongren Hospital, Shanghai 200336, China
5. Cancer Institute, Xuzhou Medical University, Xuzhou, Jiangsu 221002, China