Safety and Efficacy Study of Ambrisentan in Subjects With Pulmonary Hypertension

St. Vincent's Hospital, Darlinghurst

Royal Perth Hospital, Perth

New York Presbyterian Pulmonary Hypertension Center, New York

Mary Parkes Asthma Center, Rochester

Allegheny General Hospital, Pittsburgh

University of Pittsburgh Medical Center Presbyterian, Pittsburgh

Johns Hopkins University, Baltimore

University of Virginia Health Sciences Center, Charlottesville

Duke University Medical Center, Durham

Lexington Pulmonary and Critical Care, Lexington

Atlanta Institute for Medical Research, Inc., Decatur

Medical College of Georgia, Augusta

Pulmonary Hypertension Clinic Mount Sinai Medical Center, Miami Beach

Suncoast Lung Center, Sarasota

University of Alabama at Birmingham, Birmingham

University Hospitals of Cleveland, Cleveland

The Lindner Clinical Trial Center, Cincinnati

University of Iowa Hospitals and Clinics, Iowa City

Mayo Clinic, Rochester

University of Chicago Hospitals, Chicago

Washington University School of Medicine, St Louis

Baylor College of Medicine, Houston

University of Colorado Health Sciences Center, Aurora

Arizona Pulmonary Specialists, Ltd, Phoenix

Greater Los Angeles, VA Medical Center, Los Angeles

Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center, Torrance

UCSD Medical Center, Thornton Hospital, La Jolla

Legacy Clinical Northwest, Portland

University of Connecticut Health Center, Farmington

Tufts-New England Medical Center, Boston

Massachusetts General Hospital, Boston

Boston Adult Congenital Heart Service, Boston

Boston University School of Medicine, Boston

University of Medicine & Dentistry of New Jersey, Newark

Newark Beth Israel Medical Center, Newark

Rhode Island Hospital, Providence

Peter Lougheed Centre, Calgary

University of Alberta Hospitals, Edmonton

Toronto General Hospital, Toronto