1. Department of Epidemiology; University Medical Center Groningen; University of Groningen; Groningen the Netherlands
2. Division of Geriatric Medicine; Department of Internal Medicine; University Medical Center Groningen; University of Groningen; Groningen the Netherlands
3. Department of Nuclear Medicine and Molecular Imaging; Medical Imaging Center; University Medical Center Groningen; University of Groningen; Groningen the Netherlands
4. Department of Biomedical Photonic Imaging; University of Twente; Enschede the Netherlands
5. Department of Gynaecology; University Medical Center Groningen; University of Groningen; Groningen the Netherlands