1 Institute for Clinical Chemistry and Laboratory Medicine, University Hospital and Faculty of Medicine, Technische Universität Dresden, Dresden, Germany. triantafyllos.chavakis@uniklinikum-dresden.de.
2 Paul Langerhans Institute Dresden of the Helmholtz Center Munich, University Hospital and Faculty of Medicine, Technische Universität Dresden, Dresden, Germany. triantafyllos.chavakis@uniklinikum-dresden.de.
3 German Center for Diabetes Research (DZD), Neuherberg, Germany. triantafyllos.chavakis@uniklinikum-dresden.de.
4 Centre for Cardiovascular Science, Queen's Medical Research Institute, University of Edinburgh, Edinburgh, UK. triantafyllos.chavakis@uniklinikum-dresden.de.
5 Institute for Clinical Chemistry and Laboratory Medicine, University Hospital and Faculty of Medicine, Technische Universität Dresden, Dresden, Germany.
6 Department of Medicine, Institute of Human Nutrition, Naomi Berrie Diabetes Center, Columbia University, New York, NY, USA.