1 Folkhälsan Institute of Genetics, Folkhälsan Research Center, Helsinki, Finland.
2 Abdominal Center, Nephrology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland.
3 Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, Helsinki, Finland.
4 Joslin Diabetes Center, Harvard Medical School, Boston, MA.
5 Department of Radiology, Karolinska University Hospital; Department of Clinical Neuroscience, Karolinska Institute, Stockholm, Sweden.
6 Department of Ophthalmology, Helsinki University Hospital, Helsinki, Finland.
7 Department of Neurology, Helsinki University Hospital, Helsinki, Finland.
8 Department of Clinical Neuroscience/Neurology, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.
9 Department of Neurology, Sahlgrenska University Hospital, Gothenburg, Sweden.
10 Folkhälsan Institute of Genetics, Folkhälsan Research Center, Helsinki, Finland [email protected].
11 Department of Diabetes, Central Clinical School, Monash University, Melbourne, Victoria, Australia.
12 Department of Radiology, Helsinki University Hospital, Helsinki, Finland.