[1] Eberhard-Karls University of Tübingen,Division of Endocrinology, Diabetology, Vascular Medicine, Nephrology and Clinical Chemistry, Department of Internal Medicine
[2] University of Copenhagen,Department of Medical Physiology, Panum Institute
[3] Vrije Universiteit Medical Center,On behalf of the Hoorn study, EMGO Institute
[4] Leiden University Medical Center,Department of Molecular Cell Biology
[5] Utrecht University Medical Center,Department of Internal Medicine