[1] Guangzhou Ctr Dis Control & Prevent, Dept Primary Publ Hlth, Guangzhou, Guangdong, Peoples R China
[2] Guangzhou Med Univ, Guangzhou Huiai Hosp, Brain Hosp, Guangzhou, Guangdong, Peoples R China
[3] Guangzhou Med Univ, Sch Publ Hlth, Dept Prevent Med, Guangzhou, Guangdong, Peoples R China
[4] South China Normal Univ, Sch Psychol, Guangzhou, Guangdong, Peoples R China
[5] Guangdong Med Univ, Sch Clin Med 1, Zhanjiang, Peoples R China
[6] Guangzhou Med Univ, Sch Nursing, Dept Nursing, Guangzhou 510182, Guangdong, Peoples R China
[7] Henan Univ, Sch Nursing & Hlth, Kaifeng 475004, Peoples R China
[8] Southern Med Univ, Nanhai Hosp, Gen Practice Ctr, Foshan, Peoples R China