1. Clinical Trials Center, Cardiovascular Research Foundation, New York, NY, USA
2. Gagnon Cardiovascular Institute, Morristown Medical Center, Morristown, NJ, USA
3. Hôpital du Sacré-Coeur de Montréal, Université de Montréal, Montréal, Québec, Canada
4. Pulmonary Hypertension and Vascular Biology Research Group, Laval University, Québec, Canada
5. Sahlgrenska University Hospital, Gothenburg, Sweden
6. Baylor Scott & White Health, Plano, TX, USA
7. Interventional Technologies in the Heart Institute, Cedars-Sinai Medical Center, Los Angeles, CA, USA
8. Heart and Vascular Institute, Cleveland Clinic, Cleveland, OH, USA
9. Emory University School of Medicine, Atlanta, GA, USA
10. Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
11. Saint Luke’s Mid America Heart Institute, Kansas City, MO, USA
12. Vanderbilt University Medical Center, Nashville, TN, USA
13. Columbia University Medical Center, 161 Ft. Washington Avenue, 6th Floor, New York, NY 10032, USA
14. Duke Clinical Research Institute, Duke University Medical Center, Durham, NC, USA
15. Stanford University, Stanford, CA, USA
16. University of British Columbia/St. Paul's Hospital, Vancouver, British Columbia, Canada