1. Department of Medicine,
2. Queen’s Cardiopulmonary Unit, and
3. Cardiovascular Division, Lillehei Heart Institute, University of Minnesota Medical School, Minneapolis, Minnesota;
4. Pulmonary Hypertension Research Group, Institut Universitaire de Cardiologie et de Pneumologie de Québec Research Center, Laval University, Quebec City, Quebec, Canada; and
5. St. Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow, United Kingdom
6. Department of Biomedical and Molecular Sciences, Queen’s University, Kingston, Ontario, Canada;