1. Diabetes Center; P & A Kyriakou Children's Hospital; Athens Greece
2. Kinderkrankenhaus auf der Bult; Hannover Germany
3. DCCP-Clinique pédiatrique de Luxembourg; Luxembourg Luxembourg
4. Institute for Epidemiology and Medical Biometry, ZIBMT; University of Ulm; Ulm Germany
5. German Center for Diabetes Research (DZD); München-Neuherberg Germany
6. The Queen Silvia Children's Hospital, Sahlgrenska University Hospital; Gothenburg Sweden
7. Stichting Diabeter, Center for Pediatric and Adolescent Diabetes Care and Research; Rotterdam The Netherlands
8. Pediatric Diabetes and Metabolic Disorders Unit; University of Verona, University City Hospital; Verona Italy
9. Department of women's & children's health G. Salesi Children's Hospital; Ancona Italy
10. Department of Pediatrics, 2nd Faculty of Medicine; Charles University in Prague, University Hospital Motol; Prague Czech Republic
11. Tuscany Regional Centre of Pediatric Diabetes, Meyer University Children's Hospital; Florence Italy