[1] Jiulongpo Peoples Hosp, Dept Nephropathy & Rheumatol Immunol, Chongqing, Peoples R China
[2] Southern Med Univ, Nanfang Hosp, Dept Cardiovasc, Guangzhou, Peoples R China
[3] Peoples Hosp Shapingba Dist, Dept Med Clin Lab, Chongqing, Peoples R China
[4] Sichuan Univ, West China Hosp, Ctr Gerontol & Geriatr, Chengdu, Peoples R China
[5] Sichuan Univ, West China Hosp, Ctr Evidence Based Med & Clin Epidemiol, Chengdu, Peoples R China