Erasmus Medical Center, Rotterdam, Netherlands
University Clinical Center Tuebingen, Tuebingen, Germany
CHU of Nantes, Nantes, France
Tallahassee Memorial Hospital, Tallahassee, Florida, United States
Sarasota Memorial Hospital, Sarasota, Florida, United States
Stanford Hospital and Clinics, Stanford, California, United States
Duke Medical Center, Durham, North Carolina, United States
Medical College of Georgia, Augusta, Georgia, United States
Hospital Universitario Clinic I Provincial, Barcelona, Spain
Mission Health & Hospitals, Asheville, North Carolina, United States
St. Paul's Hospital, Vancouver, British Columbia, Canada
Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, United States
Kevin Yoo, MD/Palomar Neurosurgery Ctr, Poway, California, United States
University of Iowa Hospital, Iowa City, Iowa, United States
Washington University - Barnes Jewish Hospital, Saint Louis, Missouri, United States
Intermountain Medical Center, Murray, Utah, United States
Scripps Green Hospital, La Jolla, California, United States
Missouri Baptist Medical Center, Saint Louis, Missouri, United States
Premier Cardiology, Inc / Hoag Hospital, Newport Beach, California, United States
Duke University Medical Center, Durham, North Carolina, United States
University of Kentucky, Lexington, Kentucky, United States
University of Rochester Medical Center, Rochester, New York, United States
CHU, Bordeaux, France