[Tang, Guo-hua; He, Xiu-sheng; Hu, Bo; Luo, Qiao; Long, Zhi-feng; Qiu, Qing-chao] Univ S China, Canc Res Inst, Hengyang 421001, Peoples R China.
[Hu, Bo; Qiu, Qing-chao] Vanderbilt Univ, Dept Med, Nashville, TN USA.
[Chen, Zhu-chu] Cent S Univ, Canc Res Inst, Changsha 410078, Hunan, Peoples R China.
[Hu, Bo] Hunan Environm Biol Polytech Coll, Hengyang, Peoples R China.
[He, Xiu-pei] First Peoples Hosp Yunnan Prov, Dept Otolaryngol, Kunming, Peoples R China.