University of Pittsburgh Medical Center, Starzl Transplantation Institute, Pittsburgh, Pennsylvania, United States
UCLA Medical Center, Los Angeles, California, United States
The Regents of the University of California, La Jolla, California, United States
Southern California Permanente, Pasadena, California, United States
The Prince Charles Hospital, Brisbane, Queensland, Australia
The Alfred Hospital, Melbourne, Australia
PPD Development, Austin, Texas, United States
Children's Hospital of Los Angeles, Los Angeles, California, United States
Children's Healthcare of Atlanta - Egleston, Atlanta, Georgia, United States
Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, United States
Arizona Pulmonary Specialists, Phoenix, Arizona, United States
Washington University School of Medicine, St. Louis, Missouri, United States
University of Pittsburgh Medical Center (UPMC), Pittsburgh, Pennsylvania, United States
University of Arizona, Tucson, Arizona, United States
University of Florida College of Medicine Jacksonville, Jacksonville, Florida, United States
The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
Cedars-Sinai Medical Center, Los Angeles, California, United States
Indiana University Hospital, Carmel, Indiana, United States
Asheville Cardiology Associates, Asheville, North Carolina, United States