Cardiology of Mobile, Inc., Mobile, Alabama, United States
The University of Tennessee Medical Center, Knoxville, Tennessee, United States
Cardiology Associates of Mobile, Mobile, Alabama, United States
Chandler Clinical Trials, Chandler, Arizona, United States
Scottsdale Clinical Trials, Scottsdale, Arizona, United States
Sun City Research, Sun City, Arizona, United States
University of Virginia, Charlottesville, Virginia, United States
Yotsuba Circulation Clinic, Matsuyama, Japan
Ehime University, Ehime, Japan
Hiroshima University, Hiroshima, Japan