1. Department of Chemical Biology and Organic Chemistry, Institute of Biomembranes, Utrecht University, Padualaan 8, 3584 CH Utrecht, The Netherlands
2. Department of Metabolic and Endocrine Diseases, Division of Biomedical Genetics, University Medical Center Utrecht, P.O. Box 85090, 3508 AB Utrecht, The Netherlands
3. Department of Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht University, Universiteitssingel 50, 6200 MD Maastricht, The Netherlands
4. Department of Molecular Cell Biology, Electron Microscopy Utrecht, Utrecht University, Padualaan 8, 3584 CH Utrecht, The Netherlands