[1
]
Department of Radiology, Section of Cardiovascular Radiology, University of Freiburg,
Südring15, Bad Krozingen 79189, Germany gregor.pache@universitaets-herzzentrum.de.
[2
]
Department of Cardiology & Angiology II, University Heart Center Freiburg-Bad Krozingen,
Bad Krozingen, Germany.
[3
]
Center for Heart Valve Innovation, St. Paul's Hospital & University of British Columbia,
Vancouver, Canada.
[4
]
Department of Radiology, Section of Cardiovascular Radiology, University of Freiburg,
Südring15, Bad Krozingen 79189, Germany.