1. School of Stomatology, Hunan University of Chinese Medicine, Changsha, Hunan 410208, P.R. China
2. Changsha Stomatological Hospital, Changsha, Hunan 410004, P.R. China
3. Department of Cancer Biology, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio 44195, USA
4. Department of Radiology, The Third Xiangya Hospital of Central South University, Changsha, Hunan 410013, P.R. China
5. Department of Ultrasonography, The Third Xiangya Hospital of Central South University, Changsha, Hunan 410013, P.R. China
6. Department of Hepatobiliary and Pancreatic Surgery, The Third Xiangya Hospital of Central South University, Changsha, Hunan 410013, P.R. China
7. Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan 410013, P.R. China
8. Clinical Center for Gene Diagnosis and Therapy, The Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, P.R. China
9. State Key Laboratory of Powder Metallurgy, Central South University, Changsha, Hunan 410006, P.R. China