title: Correction: Challenges of developing a cardiovascular risk calculator for patients with rheumatoid arthritis.
abstract: [This corrects the article DOI: 10.1371/journal.pone.0174656.].
authors.forename: Cynthia S
authors.initials: CS
authors.lastname: Crowson
authors.forename: Silvia
authors.initials: S
authors.lastname: Rollefstad
authors.forename: George D
authors.initials: GD
authors.lastname: Kitas
authors.forename: Piet L C M
authors.initials: PL
authors.lastname: van Riel
authors.forename: Sherine E
authors.initials: SE
authors.lastname: Gabriel
authors.forename: Anne Grete
authors.initials: AG
authors.lastname: Semb