Kerckhoff-Klinik, Bad Nauheim, Germany
Evanston Northwestern Healthcare, Evanston, Illinois, United States
Evanston Northwestern Healthcare, Evanston, Illinois, United States
Department of Cardiology - CHU Pontchaillou, Rennes, France
Department of Cardiology - CHU Pontchaillou, Rennes, France
North Mississippi Medical Center, Tupelo, Mississippi, United States
Johns Hopkins Hospital, Baltimore, Maryland, United States
St. Patrick Hospital, Missoula, Montana, United States
Rigshospitalet, Copenhagen, Denmark
C.H.U. de Liège Sart Tilman, Liège, Belgium
A.Z. Middelheim, Antwerpen, Belgium
Academisch Medisch Centrum, Amsterdam, Netherlands
Skejby Sygehus, Aarhus, Denmark
Herzzentrum Bad Oeynhausen, Bad Oeynhausen, Germany
Guidant Corporation, Santa Clara, California, United States