affiliation not provided to SSRN, Peking University, affiliation not provided to SSRN, affiliation not provided to SSRN, Peking University, Beijing University of Chinese Medicine, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Peking Union Medical College Hospital, University of Washington, The University of Western Australia, Tianjin Nankai Hospital, affiliation not provided to SSRN, affiliation not provided to SSRN, Guangzhou University of Chinese Medicine - Lingnan Medical Research Center, Gansu Provincial Hospital of Traditional Chinese Medicine, Gansu Provincial Hospital of Traditional Chinese Medicine, affiliation not provided to SSRN, affiliation not provided to SSRN, Shaanxi University of Chinese Medicine, affiliation not provided to SSRN, affiliation not provided to SSRN, Government of the People's Republic of China - China-Japan Friendship Hospital, Government of the People's Republic of China - China-Japan Friendship Hospital, affiliation not provided to SSRN, affiliation not provided to SSRN, Beijing University of Chinese Medicine, affiliation not provided to SSRN, China Academy of Chinese Medical Sciences and affiliation not provided to SSRN