Corresponding Author: PD Dr. med. Constanze Schmidt and Prof. Dr. Niels Decher

Medical University Hospital Heidelberg, Department of Cardiology, Im Neuenheimer Feld 410, Heidelberg;
Philipps-University Marburg, AG Vegetative Physiology; Deutschhausstraße 1-2, Marburg (Germany)
E-Mail Constanze.Schmidt@med.uni-heidelberg.de; Decher@staff.uni-marburg.de