1. Department of Epidemiology, Erasmus Medical Center, Rotterdam, the Netherlands
2. Department of Human Genetics, Leiden University Medical Center, Leiden, the Netherlands
3. Genetics and Bioengineering Program, Faculty of Engineering and Natural Sciences, International University of Sarajevo, Sarajevo, Bosnia and Herzegovina
4. Department of Biochemistry and Clinical Analysis, Faculty of Pharmacy, University of Sarajevo, Sarajevo, Bosnia and Herzegovina
5. Department of Endocrinology, Leiden University Medical Center, Leiden, the Netherlands
6. Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden, the Netherlands
7. Division of Analytical Biosciences, Leiden Academic Centre for Drug Research, Leiden University, Leiden, the Netherlands
8. Netherlands Metabolomics Centre, Leiden University, Leiden, the Netherlands
9. Department of Internal Medicine, Erasmus Medical Center, Rotterdam, the Netherlands
10. Department of Health Sciences, University of Leicester, Leicester, U.K.