[Wan, Huijuan] Univ South China, Affiliated Hosp 2, Hengyang Med Sch, Dept Nephrol & Rheumatol, Hengyang 421001, Peoples R China.
[Zhang, Ya] Univ South China, Affiliated Nanhua Hosp, Hengyang Med Sch, Dept Gland Surg, Hengyang 421002, Peoples R China.
[Ning, Zhongxing] Sun Yat Sen Univ, Guangxi Hosp Div, Affiliated Hosp 1, Guangzhou, Peoples R China.
[Liu, Mingjiang] Univ South China, Affiliated Nanhua Hosp, Hengyang Med Sch, Dept Hand & Microsurg, Hengyang 421002, Peoples R China.
[Yang, SD; Yang, Shudong] Univ South China, Affiliated Hosp 2, Hengyang Med Sch, Dept Traumat Orthoped, 35 Jiefang Rd, Hengyang 421001, Hunan, Peoples R China.