1. Atlanta Diabetes Associates Atlanta GA USA
2. University of North Carolina School of Medicine Chapel Hill NC USA
3. Glasgow Royal Infirmary Glasgow UK
4. Barbara Davis Center for Childhood Diabetes Aurora CO USA
5. Bichat Claude Bernard Hospital Paris France
6. Diabetes und Nierenzentrum Dormagen Germany
7. Montpellier University Hospital Montpellier France
8. Royal Surrey County Hospital Guildford UK
9. Novo Nordisk A/S Søborg Denmark
10. University of Sheffield Sheffield UK