Erasmus UMC, Rotterdam, Netherlands
St. Gertrauden Krankenhaus (SGK), Berlin, Germany
University of Rochester Medical Center, Rochester, New York, United States
UPMC Pinnacle Health, Mechanicsburg, Pennsylvania, United States
The Valley Hospital, Ridgewood, New Jersey, United States
Stony Brook University Hospital, Stony Brook, New York, United States
Montefiore Hospital, Bronx, New York, United States
The Valley Hospital, Ridgewood, New Jersey, United States
Stony Brook University Hospital, Stony Brook, New York, United States
University of Buffalo, Buffalo, New York, United States
SHG-Kliniken Völklingen, Völklingen, Saarland, Germany
Erasmus Hospital, Rotterdam, South Holland, Netherlands
University Hospital Schleswig-Holstein, Lubeck, Schleswig-Holstein, Germany
The Charité - Universitätsmedizin, Berlin-Mitte, Berlin, Germany
CardioVasculäres Centrum, Frankfurt am Main, Hesse, Germany
Universitätsmedizin Mainz, Mainz, Rhineland-Palatinate, Germany
The Charité - Universitätsmedizin, Berlin, Germany
University Hospital Leipzig, Leipzig, Germany
St Franziskus Hospital, Muenster, Germany
University Hospital Antwerp (UZA), Edegem, Belgium
St James Hospital, Dublin, Ireland
Blackrock Clinic, Blackrock, Ireland