FREEDOM DR: Oral Treprostinil in Combination With an Endothelin Receptor Antagonist (ERA) and/or a Phosphodiesterase-5 (PDE-5) Inhibitor or as Monotherapy for the Treatment of Pulmonary Arterial Hypertension (PAH)

Weill Cornell Medical Center, New York

Columbia Presbyterian Medical Center, New York

Instituto Nacional de Cardiologia, Mexico City

Mary M Parkes Center for Asthma, Allergy and Pulmonary Care - University of Rochester, Rochester

Allegheny General Hospital, Pittsburgh

University of Pittsburgh Medical Center, Pittsburgh

Inova Fairfax Hospital, Falls Church

Duke University Medical Center, Durham

University of Alabama Birmingham, Birmingham

Ohio State University, Columbus

University Hospitals of Cleveland, Cleveland

The Cleveland Clinic Foundation, Cleveland

University of Iowa Health Care, Iowa City

University of Minnesota, Minneapolis

Mayo Clinic, Rochester

Washington University Hospital, St Louis

Kansas University Medical Center, Kansas City

University of Texas Southwestern, Dallas

Pulmonary Hypertension Clinic, Aurora

West Los Angeles VA Healthcare Center, Los Angeles

Stanford University, Stanford

UC Davis Medical Center, Sacramento

Lagacy Clinic Northwest, Portland

Maine Medical Center, Portland

Tufts Medical Center, Boston

Massachusetts General Hospital, Boston

Intermountain Medical Center, Murray

St. Vincent's Hospital, Sydney

Prince Charles Hospital, Brisbane

The Alfred Hospital, Melbourne

Unidad de Investigacion Clinica en Medicina (UDICEM), Monterrey