HALO: A Single Arm Prospective Investigation of the SJM™ Masters HP™ 15mm Rotatable Mechanical Heart Valve

New York Presbyterian Hospital/Columbia University, New York

Children's Hospital of Philadelphia, Philadelphia

University of Maryland School of Medicine, Baltimore

University of Virginia Medical Center, Charlottesville

West Virginia University Hospital, Morgantown

Levine Children's Hospital / Sanger Heart & Vascular Institute, Charlotte

Children's Healthcare of Atlanta, Atlanta

University of Alabama at Birmingham, Birmingham

Children's Hospitals and Clinics of Minnesota, Minneapolis

University of Minnesota Masonic Children's Hospital, Minneapolis

Lurie Children's Hospital of Chicago, Chicago

University of Missouri-Kansas City School of Medicine, Kansas City

Children's Hospital & Medical Center, Omaha

Ochsner Medical Center, New Orleans

Arkansas Children's Hospital, Little Rock

Texas Children's Hospital, Houston

Children's Hospital of Colorado, Aurora

University of Utah Hospital, Salt Lake City

Children's Hospital Los Angeles (USC), Los Angeles

University of California - Davis Medical Center, Sacramento

Seattle Children's Hospital, Seattle

Sacred Heart Medical Center, Spokane

Maine Medical Center, Portland

Boston Children's Hospital, Boston