1. From the Department of Neurology Catharina Hospital Eindhoven The Netherlands
2. The Carbohydrate and Lipid Metabolism Research Unit Faculty of Health Sciences University of the Witwatersrand JohannesburgSouth Africa
3. Chemical pathology University of Cape Town Cape Town South Africa
4. Department of Internal Medicine Division of Vascular Medicine Radboud University Medical Center NijmegenThe Netherlands
5. Department of Internal Medicine Erasmus University Medical Center Rotterdam The Netherlands
6. Division of Endocrinology, Diabetes, and Clinical Nutrition Knight Cardiovascular InstituteOregon Health and Science University Portland OR USA
7. Department of Medical ImagingRadboud University Medical Center NijmegenThe Netherlands
8. Department of Laboratory Medicine Translational Metabolic Laboratory Radboud University Medical Center NijmegenThe Netherlands
9. Department of Neurology Canisius Wilhelmina Hospital Nijmegen The Netherlands