1. Department of Internal Medicine, Academic Medical Center, University of Amsterdam, Amsterdam, the Netherlands
2. Department of Statistics, Academic Medical Center, University of Amsterdam, Amsterdam, the Netherlands
3. Wellcome Trust-MRC Institute of Metabolic Science and NIHR Cambridge Biomedical Research Centre, University of Cambridge, Cambridge, U.K.
4. Endocrinology and Metabolism, Department of Internal Medicine, Medical University of Graz, Graz, Austria
5. Department of Endocrinology, Diabetes, and Nutrition and INSERM Clinical Investigation Center CIC 1001, Centre Hospitalier Regional Universitaire Montpellier and University of Montpellier I, Montpellier, France
6. Department of Information Engineering, University of Padova, Padova, Italy
7. Department of Medicine, University of Padova, Padova, Italy
8. Department of Computer Engineering and System Sciences, University of Pavia, Pavia, Italy
9. Profil Institute for Metabolic Research, Neuss, Germany