title: Reply.
authors.affiliation: Baylor College of Medicine, and Michael E. Debakey Medical Center, Houston, TX.
authors.forename: Grace H
authors.initials: GH
authors.lastname: Lo
authors.affiliation: Tufts Medical Center, Boston, MA.
authors.forename: Timothy E
authors.initials: TE
authors.lastname: McAlindon
authors.affiliation: Tufts Medical Center, Boston, MA.
authors.forename: Jeffrey B
authors.identifier: 0000-0001-6098-4273
authors.initials: JB
authors.lastname: Driban
authors.affiliation: University of Toronto, Toronto, Ontario, Canada.
authors.forename: Gillian A
authors.initials: GA
authors.lastname: Hawker
authors.affiliation: Tufts Medical Center, and Tufts University, Boston, MA.
authors.forename: Lori
authors.initials: L
authors.lastname: Lyn Price
authors.affiliation: Northwestern Feinberg School of Medicine, Chicago, IL.
authors.forename: Jing
authors.initials: J
authors.lastname: Song
authors.affiliation: Northwestern Feinberg School of Medicine, Chicago, IL.
authors.forename: Dorothy D
authors.initials: DD
authors.lastname: Dunlop
authors.affiliation: Memorial Hospital of Rhode Island, and Alpert Medical School of Brown University, Pawtucket, RI.
authors.forename: Charles B
authors.initials: CB
authors.lastname: Eaton
authors.affiliation: University of Maryland School of Medicine, Baltimore, MD.
authors.forename: Marc C
authors.initials: MC
authors.lastname: Hochberg
authors.affiliation: Ohio State University, Columbus, OH.
authors.forename: Rebecca D
authors.initials: RD
authors.lastname: Jackson
authors.affiliation: University of Arizona, Tucson, AZ.
authors.forename: C Kent
authors.initials: CK
authors.lastname: Kwoh
authors.affiliation: University of San Francisco, San Francisco, CA.
authors.forename: Michael C
authors.initials: MC
authors.lastname: Nevitt
references.citation: Osteoarthritis Cartilage. 2008 Apr;16(4):415-22
references.pmid: 18296075
references.citation: Arthritis Rheumatol. 2015 Nov;67(11):2897-904
references.pmid: 26407008
references.citation: J Rheumatol. 1988 Dec;15(12):1833-40
references.pmid: 3068365