Z Makdad Najeeb,P C Sundgren,A Jönsen,K Zervides,J Lätt,T Salomonsson,J Nystedt,P Nilsson,A Bengtsson,G Kuchcinski,L E M Wisse

Department of Clinical Sciences, Diagnostic Radiology, Lund, Lund University, Lund, Sweden.

Department of Clinical Sciences Lund, Rheumatology, Lund University, Skåne University Hospital, Lund, Sweden.

K Zervides

Department of Clinical Sciences Lund, Rheumatology, Lund University, Skåne University Hospital, Lund, Sweden.

J Lätt

Department of Medical Imaging and Physiology, Skåne University hospital, Lund, Sweden.

T Salomonsson

Department of Clinical Sciences, Diagnostic Radiology, Lund, Lund University, Lund, Sweden.

J Nystedt

Department of Clinical Sciences, Diagnostic Radiology, Lund, Lund University, Lund, Sweden.

P Nilsson

Department of Clinical Sciences Lund, Neurology, Lund University, Skåne University Hospital, Lund, Sweden.

A Bengtsson

Department of Clinical Sciences Lund, Rheumatology, Lund University, Skåne University Hospital, Lund, Sweden.

Department of Clinical Sciences, Diagnostic Radiology, Lund, Lund University, Lund, Sweden. [email protected].