[1] Guangdong Prov Hosp Tradit Chinese Med, Dept Acupuncture & Moxibust, Guangzhou 510120, Guangdong, Peoples R China
[2] Guangzhou Univ Chinese Med, Postdoctoral Res Stn, Guangzhou 510405, Guangdong, Peoples R China
[3] Univ Arizona, Div Epidemiol & Biostat, Mel & Enid Zuckerman Coll Publ Hlth, Tucson, AZ 85724 USA
[4] Guangzhou Univ Chinese Med, Coll Acupuncture & Moxibust, Guangzhou 510007, Guangdong, Peoples R China
[5] Hong Kong Baptist Univ, Sch Chinese Med, Kowloon Tong 999077, Peoples R China
[6] Gunagxi Univ Chinese Med, Dept Acupuncture & Moxibust, Affiliated Hosp 1, Nanning 530023, Peoples R China
[7] Sichuan Univ, Primary Registry World Hlth Org Int Clin Trials R, Chinese Evidence Based Med Ctr,West China Hosp, Chinese Clin Trial Registry,Chinese Cochrane Ctr, Chengdu 610041, Peoples R China
[8] Guangdong Prov Acad Chinese Med Sci, Epidemiol Ctr, Guangzhou 510120, Guangdong, Peoples R China