[1] Boston Univ, Chobanian & Avedisian Sch Med, Dept Radiol, Boston, MA USA
[2] Univ Klinikum Erlangen, Dept Radiol, Maximilianspl 3, D-91054 Erlangen, Germany
[3] Friedrich Alexander Univ FAU Erlangen Nurnberg, Maximilianspl 3, D-91054 Erlangen, Germany
[4] Paracelsus Med Univ, Ctr Anat, Salzburg, Austria
[5] Paracelsus Med Univ, Ludwig Boltzmann Inst Arthrit & Rehabil LBIAR, Salzburg, Austria
[6] Chondrometrics GmbH, Freilassing, Germany
[7] Johns Hopkins Univ, Sch Med, Russell H Morgan Dept Radiol & Radiol Sci, Baltimore, MD USA
[8] NYU, Grossmann Sch Med, Dept Radiol, New York, NY USA
[9] Harvard Med Sch, Massachusetts Gen Hosp, Dept Radiol, Boston, MA USA
[10] Tufts Univ, Sch Med, Tufts Med Ctr, Dept Radiol, Boston, MA USA
[11] Harvard Univ, Harvard TH Chan Sch Publ Hlth, Boston, MA USA
[12] Boston VA Healthcare Syst, Dept Radiol, West Roxbury, MA USA