Prairie Education and Research Cooperative, Springfield, Illinois, United States
Piedmont Heart Institute, Atlanta, Georgia, United States
The Lindner Center for Research and Education at The Christ Hospital, Cincinnati, Ohio, United States
Queen Mary University of London, London, United Kingdom
ZNA Cardio Middelheim, Antwerp, Belgium
St. Antonius Ziekenhuis, Nieuwegein, Netherlands
Universitair Ziekenhuis Brussel, Brussels, Belgium
ZNA - Cardio Middleheim, Antwerpen, Belgium
Universitair Ziekenhuis Brussel, Brussels, Belgium
G. Gennimatas General Hospital of Athens, Athens, Greece
UCLA Medical Center, Los Angeles, California, United States
Beth Israel Deaconess Medical Center, Boston, Massachusetts, United States
Pulmonary Associates, Phoenix, Arizona, United States
Universitätsklinikum Gieβen und Marburg, Standort Marburg, Marburg, Germany