1. NHC Key Laboratory of Carcinogenesis and the Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Xiangya Hospital, Central South University, Changsha, Hunan, China
2. Cancer Research Institute, School of Basic Medical Science, Central South University, Changsha, Hunan, China
3. Department of Gastroenterology, Hunan Key Laboratory of Nonresolving Inflammation and Cancer, Changsha, Hunan, China
4. Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China
5. Hunan Cancer Hospital, The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan, PR China