1. Department of Endocrinology, Diabetes Center, Research Institute for Endocrinology, Reproduction and Metabolism, VU University Medical Center, Amsterdam, the Netherlands
2. Department of Medical Psychology, Diabetes Center, Research Institute for Endocrinology, Reproduction and Metabolism, VU University Medical Center, Amsterdam, the Netherlands
3. Department of Clinical Epidemiology and Biostatistics, VU University Medical Center, Amsterdam, the Netherlands