1. HUS Medical Imaging Center, Radiology, University of Helsinki and Helsinki University Hospital
2. Folkhälsan Institute of Genetics, Folkhälsan Research Center
3. Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki
4. Department of Ophthalmology, Harvard Medical School, Boston, Massachusetts, USA
5. Beetham Eye Institute, Joslin Diabetes Center, Harvard Medical School, Boston, Massachusetts, USA
6. Department of Nephrology, University of Helsinki and Helsinki University Hospital
7. Department of General Practice and Primary Healthcare, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
8. Department of Ophthalmology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
9. Department of Diabetes, Central Clinical School, Monash University, Melbourne, Australia
10. Neurology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
11. Minerva Foundation Institute for Medical Research