[Li, Ming; Zuo, Huilan; Li, Wei; Gao, Feng] Cent South Univ, Xiangya Hosp 3, Cell Transplantat & Gene Therapy Inst, Changsha 410013, Hunan, Peoples R China.
[Zuo, Huilan; Gao, Feng] Cent South Univ, Xiangya Hosp 3, Dept Ultrasonog, Changsha 410013, Hunan, Peoples R China.
[Li, Ming] Changsha Stomatol Hosp, Changsha 410004, Hunan, Peoples R China.
[Li, Ming] Hunan Univ Chinese Med, Sch Stomatol, Changsha 410208, Hunan, Peoples R China.
[Zhou, Li] Cent South Univ, Xiangya Hosp, Dept Pathol, Changsha, Peoples R China.