[Wang, Ai-Ping; Guo, Lin-Ya] Univ South China, Inst Clin Med, Nanhua Affiliated Hosp, 336 Dongfeng Rd, Hengyang 421001, Hunan, Peoples R China.
[Wang, Ai-Ping; Li, Yan-Bing; Guo, Lin-Ya] Univ South China, Dept Anat, Sch Med, 28 Changsheng West Rd, Hengyang 421001, Hunan, Peoples R China.
[Yang, Fang] Univ South China, Inst Pharm & Pharmacol, Hengyang, Hunan, Peoples R China.
[Peng, Li-Jun] Univ South China, Pediat Acad, Med Record Stat Off & Lib, Changsha, Hunan, Peoples R China.
[Li, Yan-Bing] Southern Med Univ, Natl Key Discipline Human Anat, Guangdong, Guangdong, Peoples R China.