[1] Hydraulics Laboratory, IBITECH, University of Gent, Sint-Pietersnieuwstraat 41, 9000 Gent, Belgium
[2] Cardiac Anesthesia, University Hospital of Gent, De Pintelaan 185, 9000 Gent, Belgium
[3] Lab. Cardiovasc. and Resp. Physiol., Free University of Brussels, Brussels, Belgium
[4] Cleveland Clinic Foundation, Cleveland, OH, United States
[5] Biomedical Engineering Laboratory, EPFL, Swiss Fed. Institute of Technology, Lausanne, Switzerland
[6] Hydraulics Laboratory, Institute Biomedical Technology, University of Gent, Sint-Pietersnieuwstraat 41, B-9000 Gent, Belgium