1 Division of Endocrinology and Metabolic Diseases, Maastricht University Medical Centre, Maastricht, the Netherlands; CARIM, Cardiovascular Research Institute Maastricht, Maastricht University, Maastricht, the Netherlands. Electronic address: Mcgj.brouwers@mumc.nl.
2 Department Chrometa, KU Leuven, Leuven, Belgium; Department of Gastroenterology-Hepatology and Metabolic Centre, University Hospitals Leuven, Belgium.