[1] Univ Sydney, Kolling Inst, Inst Bone & Joint Res, Sydney, NSW 2006, Australia
[2] Royal N Shore Hosp, Dept Rheumatol, Sydney, NSW, Australia
[3] Univ Oxford, NIHR Musculoskeletal Biomed Res Unit, Oxford OX1 2JD, England
[4] Univ Oxford, Arthrit Res UK Ctr Sport Exercise & Osteoarthrit, Oxford OX1 2JD, England
[5] Monash Univ, Alfred Hosp, Sch Publ Hlth & Prevent Med, Melbourne, Vic 3004, Australia
[6] Boston Univ, Sch Med, Dept Radiol, Quantitat Imaging Ctr, Boston, MA 02118 USA
[7] Hosp Coracao HCor & Teleimagem, Dept Radiol, Sao Paulo, SP, Brazil
[8] Uniformed Serv Univ Hlth Sci, Dept Radiol & Radiol Sci, Bethesda, MD 20814 USA
[9] Harvard Univ, Sch Med, Brigham & Womens Hosp, Dept Radiol, Cambridge, MA 02138 USA
[10] Diakonhjemmet Hosp, Dept Rheumatol, Oslo, Norway
[11] Leiden Univ, Med Ctr, Dept Rheumatol, NL-2300 RC Leiden, Netherlands
[12] Leiden Univ, Med Ctr, Dept Clin Epidemiol, NL-2300 RC Leiden, Netherlands
[13] Hop St Antoine, AP HP, Dept Rheumatol, F-75571 Paris, France
[14] Bioclinica, Newtown, PA USA
[15] Univ Montreal Hosp Res Ctr CRCHUM, Osteoarthrit Res Unit, Montreal, PQ, Canada
[16] Amer British Cowdray Med Ctr IAP, Dept Radiol, Mexico City, DF, Mexico
[17] Spire Sci Inc, Boca Raton, FL USA
[18] Univ Erlangen Nurnberg, Dept Radiol, D-91054 Erlangen, Germany
[19] Stanford Univ, Dept Radiol, Stanford, CA 94305 USA
[20] Stanford Univ, Dept Bioengn, Stanford, CA 94305 USA
[21] Stanford Univ, Dept Orthoped Surg, Stanford, CA 94305 USA