[1] Sichuan Univ, West China Hosp, Dept Evidence Based Med & Clin Epidemiol, Chengdu, Peoples R China
[2] Sichuan Univ, Inst Integrated Tradit Chinese & Western Med, West China Hosp, Div Internal Med, Chengdu, Peoples R China
[3] Univ Technol Sydney, Sch Life Sci, Fac Sci, Sydney, NSW, Australia
[4] Karolinska Inst, Dept Clin Sci & Educ, Sodersjukhuset, Stockholm, Sweden
[5] Sichuan Univ, West China Hosp, Dept Clin Res, Ctr Biostat Design Measurement & Evaluat CBDME, Chengdu, Peoples R China