1. Department of Vascular Medicine, University Medical Center Utrecht, Utrecht University, 3508 GA Utrecht, The Netherlands
2. Department of Radiology, University Medical Center Utrecht, Utrecht University, 3584 CX Utrecht, The Netherlands
3. Department of Radiology & Nuclear Medicine, Rijnstate, 6815 AD Arnhem, The Netherlands
4. Center for Bone Quality, Department of Endocrinology, Leiden University Medical Centre, 2333 ZA Leiden, The Netherlands