1Department of Radiology, University of Erlangen-Nuremberg, Erlangen, Germany
2Quantitative Imaging Center (QIC), Department of Radiology, Boston University School of Medicine, Boston, MA, USA
3Department of Radiology, Mercy Catholic Medical Center, Drexel University College of Medicine, Darby, PA, USA
4Clinical Epidemiology Research and Training Unit, Boston University School of Medicine, Boston, MA, USA
5Department of Radiology, Bridgeport Hospital, Yale University School of Medicine, Bridgeport, CT, USA
6Department of Radiology, Hospital do Coração (HCor) and Teleimagem, São Paulo-SP, Brazil
7Service de Rhumatologie, Faculté de Médecine, CHU Brabois, UMR-CNRS 7561, 54500 Vandoeuvre les Nancy, France