[1]Capital Med Univ, Xuan Wu Hosp, Dept Neurol, Beijing, Peoples R China.
[2]Beijing Key Lab Geriatr Cognit Disorders, Beijing, Peoples R China.
[3]Beijing Inst Brain Disorders, Ctr Alzheimers Dis, Beijing, Peoples R China.
[4]Minist Educ, Key Lab Neurodegenerat Dis, Beijing, Peoples R China.
[5]Natl Clin Res Ctr Geriatr Disorders, Beijing, Peoples R China.
[6]Shandong Univ, Shandong Prov Hosp, Dept Neurol, Jinan, Shandong, Peoples R China.
[7]Henan Prov Peoples Hosp, Dept Neurol, Zhengzhou, Henan, Peoples R China.
[8]Wuhan Univ, Dept Neurol, Zhongnan Hosp, Wuhan, Hubei, Peoples R China.
[9]Jilin Univ, Dept Neurol, Teaching Hosp 1, Changchun, Jilin, Peoples R China.
[10]Beijing Geriatr Hosp, Dementia Unit, Beijing, Peoples R China.
[11]Chongqing Med Univ, Dept Geriatr, Affiliated Hosp 1, Chongqing, Peoples R China.
[12]Sun Yat Sen Univ, Dept Neurol, Affiliated Foshan Hosp, Foshan, Peoples R China.
[13]Tianjin Huanhu Hosp, Dept Neurol, Tianjin, Peoples R China.
[14]Capital Med Univ, Fuxing Hosp, Dept Gerontol, Beijing, Peoples R China.
[15]Zhejiang Prov Peoples Hosp, Dept Psychiat, Hangzhou, Zhejiang, Peoples R China.
[16]Zhejiang Univ, Dept Neurol, Affiliated Hosp 1, Hangzhou, Zhejiang, Peoples R China.
[17]Third Mil Med Univ, Daping Hosp, Dept Neurol, Chongqing, Peoples R China.
[18]Daqing Oilfield Gen Hosp, Dept Neurol, Daqing, Peoples R China.
[19]Xi An Jiao Tong Univ, Dept Neurol, Affiliated Hosp 1, Xian, Shaanxi, Peoples R China.
[20]Fudan Univ, Huashan Hosp, Dept Neurol, Shanghai, Peoples R China.
[21]Fudan Univ, Huashan Hosp, Inst Neurol, Shanghai, Peoples R China.
[22]Baotou Cent Hosp, Dept Neurol, Baotou, Peoples R China.
[23]88th Hosp PLA, Dept Neurol, Tai An, Shandong, Peoples R China.
[24]Qingdao Univ, Sch Med, Qingdao Municipal Hosp, Dept Neurol, Qingdao, Peoples R China.
[25]Cent S Univ, Dept Neurol, Xiangya Hosp, Changsha, Hunan, Peoples R China.
[26]Peoples Hosp Jiangxi Prov, Dept Neurol, Nanchang, Jiangxi, Peoples R China.
[27]Weihai Municipal Hosp, Dept Neurol, Weihai, Peoples R China.
[28]China Japan Friendship Hosp, Dept Neurol, Ctr Geriatr Med, Beijing, Peoples R China.
[29]Guangzhou Huiai Hosp, Dept Geriatr Psychiat, Guangzhou, Guangdong, Peoples R China.
[30]Hebei Gen Hosp, Dept Neurol, Shijiazhuang, Hebei, Peoples R China.
[31]Capital Med Univ, Dept Neurol, Beijing Rehabil Hosp Affiliated, Beijing, Peoples R China.
[32]Guizhou Med Univ, Dept Neurol, Affiliated Hosp, Guiyang, Guizhou, Peoples R China.
[33]Henry Ford Hosp, Dept Neurol, Detroit, MI 48202 USA.
[34]McGill Univ, McGill Ctr Studies Aging, Montreal, PQ, Canada.