[Li, Hui] Jishou Univ, Med Sch, Dept Microbiol & Immunol, Jishou 416000, Hunan, Peoples R China.
[Xu, Yanyan] Guangzhou Kingmed Ctr Clin Lab, Dept Mol Pathol, Guangzhou 510000, Guangdong, Peoples R China.
[Mei, Hua] Hunan Guangxiu Hosp, Dept Somat Stem Cell, Changsha 410002, Hunan, Peoples R China.
[Peng, Liang; Tang, Jianzhou] Changsha Univ, Dept Biol & Environm Engn, Changsha 410003, Hunan, Peoples R China.
[Tang, Jianzhou; Li, Xiaojie] Hunan Agr Univ, Coll Anim Sci & Technol, Changsha 410128, Hunan, Peoples R China.