1. Department of Internal Medicine, University of Groningen and University Medical Center Groningen, 9700 RB Groningen, The Netherlands.
2. Department of Vascular Surgery, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands.
3. Department of Medical Oncology, University of Groningen and University Medical Center Groningen, 9700 RB Groningen, The Netherlands.
4. Department of Vascular Surgery, University of Groningen and University Medical Center Groningen, 9700 RB Groningen, The Netherlands.
5. Department of Ophthalmology, University of Groningen and University Medical Center Groningen, 9700 RB Groningen, The Netherlands.
6. Department of Pathology and Laboratory Medicine, University of Groningen and University Medical Center Groningen, 9700 RB Groningen, The Netherlands.
7. Department of Cardiology, University of Groningen and University Medical Center Groningen, 9700 RB Groningen, The Netherlands.
8. Gaubius Laboratory TNO-PG, 2301 CE, Leiden, The Netherlands.
9. Department of Endocrinology, University of Groningen and University Medical Center Groningen, 9700 RB Groningen, The Netherlands.