title: Reply: To PMID 22505279.
authors.forename: Patricia P
authors.initials: PP
authors.lastname: Katz
authors.forename: So Young
authors.initials: SY
authors.lastname: Shin
authors.forename: Margaret I
authors.initials: MI
authors.lastname: Wallhagen
mesh_terms: D001172:Arthritis, Rheumatoid / Q000453:epidemiology* / Q000523:psychology*; D003072:Cognition Disorders / Q000453:epidemiology* / Q000523:psychology*; D005260:Female; D006801:Humans; D008297:Male