title: Reply.
authors.affiliation: Mayo Clinic, Rochester, Minnesota.
authors.forename: Patompong
authors.initials: P
authors.lastname: Ungprasert
authors.affiliation: Mayo Clinic, Rochester, Minnesota.
authors.forename: Cynthia S
authors.initials: CS
authors.lastname: Crowson
authors.affiliation: Mayo Clinic, Rochester, Minnesota.
authors.forename: Eric L
authors.initials: EL
authors.lastname: Matteson
mesh_terms: D006801:Humans; D007592:Joint Diseases