1. Department of Forensic Science, School of Basic Medical Science, Central South University, Changsha, Hunan410013, China
2. Department of Anatomy, School of Basic Medical Science, Central South University, Changsha, Hunan410013, China
3. Clinical Medicine Eight-Year Program, Xiangya School of Medicine, Central South University, Changsha, Hunan, China
4. Department of Anatomy, School of Basic Medical Science, Xinjiang Medical University, Urumqi, China