1. Department of Internal Medicine, Gentofte Hospital, Hellerup, Denmark
2. Novo Nordisk, Bagsværd, Denmark
3. Århus Hospital, Århus, Denmark
4. Centre Hospitalier de Narbonne, Narbonne, France
5. Gelre Ziekenhuis, Apeldoorn, the Netherlands
6. Dibetologická Ambulancia, Zilina, Slovakia
7. Hvidovre Hospital, Copenhagen, Denmark