University of Maryland (UMD), Baltimore, Maryland, United States
Penn State University Hershey Medical Center (Hershey), Hershey, Pennsylvania, United States
Eastside Research Associates (ERA), Redmond, Washington, United States
University of Maryland, Baltimore (UMD), Baltimore, Maryland, United States
Eastside Research Associates (ERA), Redmond, Washington, United States
Penn State Health Milton S. Hershey Medical Center (Hershey), Hershey, Pennsylvania, United States
University of Texas Southwestern Medical Center, Dallas, Texas, United States
Baylor College of Medicine, Houston, Texas, United States
University of Cincinnati Medical Center, Cincinnati, Ohio, United States
Rehabilitation Hospital of Indiana, Carmel, Indiana, United States
University of Pittsburgh Medical Center Presbyterian Hospital, Pittsburgh, Pennsylvania, United States
University of Washington, Seattle, Washington, United States
Diablo Clinical Research, Walnut Creek, California, United States
Kentucky Clinical Trials Laboratory, Louisville, Kentucky, United States
Cleveland Clinic, Cleveland, Ohio, United States