1. School of Medicine, University of Maryland, Baltimore
2. School of Medicine, Boston University, Boston, Massachusetts
3. Boston Imaging Core Lab LLC, Boston, Massachusetts
4. Merck KGaA, Darmstadt, Germany
5. EMD Serono Research and Development Institute Inc, Billerica, Massachusetts
6. Nordic Bioscience, Herlev, Denmark
7. Institute of Anatomy, Department of Imaging and Functional Musculoskeletal Research, Paracelsus Medical University Salzburg and Nuremberg, Salzburg, Austria
8. Chondrometrics GmbH, Ainring, Germany