1. Folkhälsan Institute of Genetics; Folkhälsan Research Center; Helsinki Finland
2. Abdominal Center of Nephrology; University of Helsinki and Helsinki University Hospital; Helsinki Finland
3. Research Programs Unit; Diabetes and Obesity; University of Helsinki; Helsinki Finland
4. Department of Gastrointestinal Microbiology; German Institute of Human Nutrition Potsdam-Rehbruecke; Nuthetal Germany
5. Blood Group Unit; Finnish Red Cross Blood Service; Helsinki Finland
6. Helsinki University Central Hospital; HUSLAB; Helsinki Finland
7. Department of Bacteriology; HUSLAB; Helsinki Finland
8. Department of Surgery; Harvard Medical School; Massachusetts General Hospital; Boston MA USA
9. Oral and Maxillofacial Diseases; University of Helsinki and Helsinki University Hospital; Helsinki Finland
10. Division of Periodontology; Department of Dental Medicine; Karolinska Institutet; Huddinge Sweden
11. Medical Microbiology and Immunology; Unit of Biomedicine; University of Oulu; Oulu Finland
12. Medical Research Center; Nordlab Oulu University Hospital and University of Oulu; Oulu Finland
13. Genomics and Biomarkers Unit; National Institute for Health and Welfare; Helsinki Finland
14. Baker IDI Heart & Diabetes Institute; Melbourne Vic Australia