1. Department of Internal Medicine/Diabetology and Metabolism, Wehrle-Diakonissen Hospital, Salzburg, Austria
2. Paracelsus Medical University Salzburg, Salzburg, Austria
3. Institute for Sport and Health Medicine, Linz, Austria
4. CARDIOMED Centre for Outpatient Cardiac Rehabilitation, Linz, Austria
5. Cardio-Pulmonary Rehabilitation, Rehabilitation Center Hochegg, Grimmenstein, Austria