[1] Guangzhou Med Univ, Affiliated Brain Hosp, Geriatr Neurosci Ctr, Guangzhou 510370, Guangdong, Peoples R China
[2] Guangzhou Med Univ, Sch Nursing, Guangzhou 510182, Guangdong, Peoples R China
[3] Guangzhou Med Univ, Affiliated Brain Hosp, Dept Nursing, Guangzhou 510370, Guangdong, Peoples R China
[4] Guangzhou Med Univ, Affiliated Brain Hosp, Adult Psychiat Dept, Guangzhou 510370, Guangdong, Peoples R China
[5] Guangzhou Med Univ, Affiliated Brain Hosp, Dept Chron Dis, Guangzhou 510370, Guangdong, Peoples R China