1 Department of Preventive Sports Medicine, Klinikum rechts der Isar, Technical University Munich, Munich, Germany.
2 German Center for Cardiovascular Research (Deutsches Zentrum für Herzkreislaufforschung - DZHK), partner site Munich Heart Alliance (MHA), Munich, Germany.
3 Diabetes, Sport and Physical Activity Working Group of the DDG.
4 Department of Internal Medicine I, Vinzentius Hospital Landau, Landau, Germany.
5 Diabetes Center Minden, Minden, Germany.
6 Department of Internal Medicine III, University Hospital Leipzig, Leipzig, Germany.
7 m&i specialized clinic Bad Heilbrunn, Bad Heilbrunn, Germany.
8 Institute of Cardiovascular Research and Sport Medicine, German Sport University Cologne, Cologne, Germany.
9 IST University of Applied Sciences Düsseldorf, Düsseldorf, Germany.