1. Departments of Radiology, Institut de Recherche Expérimentale et Clinique (IREC), Cliniques Universitaires Saint Luc, Brussels, Belgium
2. Department of Rheumatology, Institut de Recherche Expérimentale et Clinique (IREC), Cliniques Universitaires Saint Luc, Brussels, Belgium
3. Department of Diagnostic and Interventional Radiology, Lausanne University Hospital, Lausanne, Switzerland