[1] China Acad Chinese Med Sci, Inst Acupuncture & Moxibust, Beijing 100700, Peoples R China
[2] Beijing Univ Chinese Med, Dongzhimen Hosp, Dept Acupuncture & Moxibust, Beijing 100700, Peoples R China
[3] Guangdong Prov Hosp Chinese Med, Dept Acupuncture & Moxibust, Guangzhou 510120, Guangdong, Peoples R China
[4] Shanghai Jiao Tong Univ, Sch Med, Shanghai Peoples Hosp 9, Dept Tradit Chinese Med, Shanghai 200011, Peoples R China