1. Institute of Physiology Brandenburg Medical School Theodor Fontane Neuruppin Germany
2. Institute of Vegetative Physiology, Center of Physiology University of Cologne Cologne Germany
3. Research Cluster, Molecular Mechanisms of Cardiovascular Diseases Brandenburg Medical School Theodor Fontane Neuruppin Germany
4. Department of Cardiology, Nephrology and Pneumology, Brandenburg Medical School University Hospital Brandenburg Brandenburg an der Havel Germany
5. Institute of Neurophysiology, Center of Physiology University of Cologne Cologne Germany