1. University of Helsinki, Helsinki, Finland
2. Helsinki University Hospital, Helsinki, Finland
3. Charles University, 3rd Faculty of Medicine, Prague, Czech Republic
4. University of Pittsburgh, Pittsburgh, Pennsylvania
5. Sophia Children’s Hospital, Rotterdam, the Netherlands
6. Cruces University Hospital-UPV/EHU-CIBERDEM/CIBERER, Barakaldo, Spain
7. Kinder-und Jugendkrankenhaus Auf Der Bult, Hannover, Germany
8. Centre Hospitalier de Luxembourg, Luxembourg City, Luxembourg
9. University of Toronto, Toronto, Ontario, Canada
10. University of Western Ontario, London, Ontario, Canada
11. Université de Sherbrooke, Sherbrooke, Quebec, Canada
12. Children’s Hospital of Westmead, Sydney, Australia
13. University of Turku and Turku University Hospital, Turku, Finland
14. University Children’s Hospital Zürich, Zürich, Switzerland
15. University of South Florida, Tampa
16. Children’s Hospital of Eastern Ontario, Ottawa, Ontario, Canada
17. Linköping University, Linköping, Sweden
18. Semmelweis Medical University, Budapest, Hungary
19. Tartu University, Tartu, Estonia
20. University of Washington, Seattle
21. University Campus Bio-Medico of Rome, Rome, Italy
22. Spanish Biomedical Research Centre in Diabetes and Associated Metabolic Disorders (CIBERDEM), Madrid, Spain
23. St Michelle Hospital /Azienda Ospedaliera Brotzu-Diabetes Unit, Cagliari, Italy
24. University of Manitoba, Winnipeg, Manitoba, Canada
25. Respiratory, Inflammation and Autoimmunity, Innovative Medicine, AstraZeneca, Gothenburg, Sweden
26. Washington University School of Medicine, St Louis, Missouri
27. National Institute of Health and Welfare, Helsinki, Finland
28. Medical University of Wroclaw, Wroclaw, Poland