[1] Beijing Univ Chinese Med, Dongfang Hosp Affiliated, Dept Internal Med, Beijing 100078, Peoples R China
[2] Beijing Univ Chinese Med, Evidencebased Chinese Med Ctr, Beijing 100029, Peoples R China
[3] Beijing Hosp Tradit Chinese Med, Affiliated Capital Med Coll, Dept Internal Med, Beijing 100010, Peoples R China
[4] Univ Chinese Med, Sch Humanities, Beijing 100029, Peoples R China
[5] China Japan Friendship Hosp, Dept Respiral, Beijing 100029, Peoples R China
[6] Beijing Univ Chinese Med, Acupuncture & Moxibust Sch, Beijing 100029, Peoples R China
[7] Beijing Univ Chinese Med, Preclin Med Sch, Beijing 100029, Peoples R China