1 Department of Diagnostic and Interventional Radiology, University Institute of Pathology, Lausanne University Hospital, Lausanne, Switzerland, General Electric Medical Systems Europe, Buc, France, Department of Rheumatology and Department of Orthopaedics and Traumatology, Lausanne University Hospital, Lausanne, Switzerland. fabio.becce@chuv.ch.
2 Department of Diagnostic and Interventional Radiology, University Institute of Pathology, Lausanne University Hospital, Lausanne, Switzerland, General Electric Medical Systems Europe, Buc, France, Department of Rheumatology and Department of Orthopaedics and Traumatology, Lausanne University Hospital, Lausanne, Switzerland.