1. Center for Experimental Medicine, The Third Xiangya Hospital, Central South University, Changsha, China
2. Department of Medical Information, School of Life Sciences, Central South University, Changsha, Hunan, China
3. Department of Gastrointestinal Surgery, The Third Xiangya Hospital, Central South University, Changsha, China
4. Department of General Surgery, The Third Xiangya Hospital, Central South University, Changsha, China
5. Department of Neurology, The Third Xiangya Hospital, Central South University, Changsha, China