William Beaumont, Royal Oak, Michigan, United States
Marshfield Clinic Research Foundation, Marshfield, Wisconsin, United States
University of Washington, Seattle, Washington, United States
National Jewish Health, Denver, Colorado, United States
Dupont Circle Physician's Group, Washington, District of Columbia, United States
Whitman-Walker Health, Washington, District of Columbia, United States
Cardiovascular Associates of Mesa, Mesa, Arizona, United States
Ohiohealth Corporation, Columbus, Ohio, United States
Charlotte Heart and Vascular Institute, Port Charlotte, Florida, United States
Advanced Pharma CR, LLC, Miami, Florida, United States
University at Buffalo CTRC, Buffalo, New York, United States
Compass Research, LLC, Orlando, Florida, United States
Be Well Medical Center PC, Berkley, Michigan, United States
AHF Research Center, Beverly Hills, California, United States
Barry M. Rodwick MD, Clearwater, Florida, United States