[Zhang, Wen] Hunan Univ Chinese Med, Geriatr Dept, Hosp 1, Changsha 410007, Hunan, Peoples R China.
[Liu, Dan] Hunan Univ Chinese Med, Dept Rheumatol & Immunol, Hosp 1, Changsha 410007, Hunan, Peoples R China.
[Yi, Jian] Hunan Univ Chinese Med, Med innovat Ctr, Hosp 1, Changsha 410007, Hunan, Peoples R China.
[Fan, Jianmin] Hunan Univ Chinese Med, Dept Cardiovasc Dis, Hosp 1, 95 Shaoshan middle Rd, Changsha, Hunan, Peoples R China.