A. Petersmann received consulting and contract fees from Tosoh Bio- science, Radiometer, Roche Diagnostics, Nova Biomedical, Siemens Healthineers, Becton Dickinson. D. Müller-Wieland declares potential conflicts of interest: Member of Advisory Boards and has received lecture fees: Amgen, Boehringer Ingelheim, MSD, AstraZeneca, Novo Nordisk, Sanofi U.A. Müller has not received any personal fees or travel expenses from pharmaceutical companies since 2010. His working group received research support from Fresenius Medical Care, VDBD, Diabeteszentrum Thüringen e. V., Haemopharm, NOVO Nordisk, Abbott, Pfizer Pharma, European Association for the Study of Diabetes on a third-party account of the University Hospital Jena. R. Landgraf declares the following potential conflicts of interest: Advisory Boards: Lilly Deutschland, Novo Nordisk Pharma; presentation fees: AstraZeneca, Berlin Chemie, Lilly Deutschland, Novo Nordisk Pharma. Other activities: Authorized representative of the Executive Board of the German Diabetes Foundation, Steering Committee for the Development and Updating of the National Care Guidelines for Diabetes M. Nauck received consulting and contract fees from Tosoh Bioscience, Radiometer, Roche Diagnostics, Nova Biomedical, Siemens Healthi- neers, Becton Dickinson. G. Freckmann is medical director and managing director of the IfDT (Institut für Diabetes-Technologie Forschungs- und Entwicklungsgesellschaft mbH at the University of Ulm, Ulm), which carries out clinical studies on medical products for diabetes therapy on its own initiative or on behalf of various companies. GF/IDT has received lecture/consultancy fees from Abbott, Ascensia, Dexcom, LifeScan, Menarini Diagnostics, Metronom Health, Novo Nordisk, Roche, Sanofi, Sensile and Ypsomed. L. Heinemann is a shareholder of Profil Institut für Stoffwechselforschung GmbH, Neuss, and of ProSciento, San Diego, USA. He is a consultant to a number of companies developing new diagnostic and therapeutic options for diabetes therapy. E. Schleicher received lecture fees from Nova Biomedical.