| Affiliation: | 1. Diabetes Centre, Isala, Zwolle, The Netherlands;2. Langerhans Medical Research Group, Zwolle, The Netherlands;3. Department of Internal Medicine, University Medical Centre Groningen, University of Groningen, Groningen, The Netherlands;4. Department of General Practice, University Medical Centre Groningen, University of Groningen, Groningen, The Netherlands;5. Department of Epidemiology, University Medical Centre Groningen, University of Groningen, Groningen, The Netherlands;6. Department of Internal Medicine, Isala, Zwolle, The Netherlands;7. Department of Internal Medicine, Gelre Hospital, Apeldoorn, The Netherlands |
