1. Faculty of Medicine, Turku University & Turku University Hospital, Satakunta Central Hospital, Sairaalantie 3, 28500 Pori, Finland
2. Abdominal Center Nephrology, Helsinki University Central Hospital, Haartmaninkatu 4, 00290 Helsinki, Finland
3. Folkhälsan Institute of Genetics, Folkhälsan Research Center, Biomedicum Helsinki Haartmaninkatu 8 FI-00290, Helsinki, Finland
4. Research Program Units, Diabetes & Obesity, PO Box 63, Haartmaninkatu 8, FI-00014 University of Helsinki, Finland