[1] Lanzhou Univ, Evidence Based Nursing Ctr, Sch Nursing, Lanzhou, Gansu, Peoples R China
[2] Lanzhou Univ, Evidence Based Med Ctr, Sch Basic Med Sci, 199 Donggang West Rd, Lanzhou, Gansu, Peoples R China
[3] Sichuan Univ, West China Hosp, Dept Anesthesiol, Chengdu, Sichuan, Peoples R China
[4] Sichuan Univ, West China Hosp, Natl Clin Res Ctr Geriatr, Chengdu, Sichuan, Peoples R China
[5] Chinese Acad Med Sci, Res Units West China 2018RU012, Chengdu, Sichuan, Peoples R China
[6] Chinese Acad Med Sci & Peking Union Med Coll, Natl Canc Ctr, Comprehens Dept Med Oncol, Natl Clin Res Ctr Canc,Canc Hosp, Beijing, Peoples R China
[7] Gansu Univ Chinese Med, Third Ward Cardiovasc Clin Med Ctr, Affiliated Hosp, Lanzhou, Gansu, Peoples R China
[8] Shangluo Vocat & Tech Coll, Shangluo, Shanxi, Peoples R China
[9] Sichuan Univ, West China Hosp, Chinese Evidence Based Med Ctr, Chengdu, Sichuan, Peoples R China
[10] Chinese Acad Med Sci & Peking Union Med Coll, Natl Canc Ctr, Natl Clin Res Ctr Canc, Canc Hosp, 17 Panjiayuan Nanli, Beijing, Peoples R China
[11] WHO Collaborating Ctr Guideline Implementat & Kno, Lanzhou, Gansu, Peoples R China