1. WHO Collaborating Centre for Epidemiology of Diabetes MellitusLions International Diabetes Institute PO Box 185 Caulfield South VIC 3162
2. Department of Community MedicineUniversity of Tasmania 43 Collins Street Hobart TAS 7000
3. Department of Medicine IUniversity of Göteborg, Sahlgrenska Sjukhuset Göteborg Sweden S‐41345