[1] Cent South Univ, Xiangya Hosp, Dept Cardiovasc Med, 87 Xiangya Rd, Changsha 410008, Hunan, Peoples R China
[2] Cent South Univ, Xiangya Hosp, Dept Rheumatol & Immunol TX, 87 Xiangya Rd, Changsha 410008, Hunan, Peoples R China
[3] Cent South Univ, Xiangya Hosp, Natl Clin Res Ctr Geriatr Disorders, Dept Cardiovasc Med, 87 Xiangya Rd, Changsha 410008, Hunan, Peoples R China