[1
]Institute for Clinical Chemistry and Laboratory Medicine, University Medicine, Greifswald,
Germany
[2
]Institute for Clinical Chemistry, University Medicine, Göttingen, Germany
[3
]Medical Clinic I, RWTH Aachen University, Germany
[4
]Clinic for Internal Medicine III, University Hospital Jena, Germany
[5
]German Diabetes Foundation (DDS), Düsseldorf, Germany
[6
]DZHK (German Centre for Cardiovascular Research), Partner Site Greifswald, University
Medicine, Greifswald, Germany, Germany
[7
]Institute for Diabetes Technology, Forschungs- und Entwicklungsgesellschaft mbH at
the University of Ulm, Germany
[8
]Science-Consulting in Diabetes GmbH (Science & Co), Neuss, Germany
[9
]Clinical Chemistry and Pathobiochemistry – Central Laboratory, University Hospital
Tübingen, Germany
[10
]German Centre for Diabetes Research (DZD), Munich-Neuherberg, Germany