1 Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Freiburgstrasse 3, 3005, Bern, Switzerland. andreas.haeberlin@insel.ch.
2 ARTORG Center for Biomedical Engineering Research, University of Bern, Bern, Switzerland. andreas.haeberlin@insel.ch.
3 Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Freiburgstrasse 3, 3005, Bern, Switzerland.
4 ARTORG Center for Biomedical Engineering Research, University of Bern, Bern, Switzerland.