title: Reply to the letter "Chronic kidney disease and cognitive impairment in the very old".
authors.affiliation: Cardiovascular Disease Research Institute, The Third People's Hospital of Chengdu, The Second Affiliated Chengdu Clinical College of Chongqing Medical University, Sichuan, People's Republic of China. 7972348@qq.com.|Department of Geriatrics, West China Hospital University, Sichuan, People's Republic of China. 7972348@qq.com.
authors.forename: Han
authors.initials: H
authors.lastname: Wang
authors.affiliation: Cardiovascular Disease Research Institute, The Third People's Hospital of Chengdu, The Second Affiliated Chengdu Clinical College of Chongqing Medical University, Sichuan, People's Republic of China.
authors.forename: Chenli
authors.initials: C
authors.lastname: Fang
authors.affiliation: Cardiovascular Disease Research Institute, The Third People's Hospital of Chengdu, The Second Affiliated Chengdu Clinical College of Chongqing Medical University, Sichuan, People's Republic of China.
authors.forename: Lin
authors.initials: L
authors.lastname: Cai
authors.affiliation: Department of Geriatrics, West China Hospital University, Sichuan, People's Republic of China.
authors.forename: Birong
authors.initials: B
authors.lastname: Dong
authors.affiliation: Department of Geriatrics, West China Hospital University, Sichuan, People's Republic of China.
authors.forename: Juelin
authors.initials: J
authors.lastname: Deng
mesh_terms: D003072:Cognition Disorders; D060825:Cognitive Dysfunction; D006801:Humans; D051436:Renal Insufficiency, Chronic