1. College of Medicine; University of Florida; P. O. Box 100296 Gainesville FL 32610 USA
2. Jaeb Center for Health Research; Tampa FL 33647 USA
3. Department of Pediatrics, School of Medicine, University of San Francisco; San Francisco CA 94143 USA
4. Barbara Davis Center for Childhood Diabetes; Aurora CO 80045 USA
5. Department of Pediatrics, School of Medicine, Yale University; New Haven CT 06520 USA
6. Department of Pediatrics; University of Minnesota; Minneapolis MN USA
7. Joslin Diabetes Center; Boston MA 02215 USA