Duke University Medical Center, Durham, North Carolina, United States
Baylor Research Institute, Dallas, Texas, United States
Sentara Medical Group Sentara Vascular Specialists, Norfolk, Virginia, United States
University of Colorado Denver, Aurora, Colorado, United States
Indiana University, Indianapolis, Indiana, United States
Medical College of Wisconsin, Milwaukee, Wisconsin, United States
VA Greater Los Angeles Healthcare System, Los Angeles, California, United States
Miami VA Healthcare System, Miami, Florida, United States
University of Miami Hospital, Miami, Florida, United States
Albert Einstein Healthcare, Philadelphia, Pennsylvania, United States
Greater Arkansas Veterans Healthcare, Little Rock, Arkansas, United States
Mount Sinai Medical Center, New York, New York, United States
St. Clair Specialty Physicians, Detroit, Michigan, United States
St. Vincent's Medical Center, Los Angeles, California, United States
University of Miami/Cedars Medical Center, Miami, Florida, United States
Southern Illinois Unversity, Springfield, Illinois, United States
University of Miami / Cedars Medical Center, Miami, Florida, United States
St. Joseph's Hospital, Atlanta, Georgia, United States
North Memorial Medical Center, Robbinsdale, Minnesota, United States