USA, UK, FRANCE & GERMANY

USA
Mayo Clinic
Cleveland Hospital
Harvard Medical School Hospitals
Massachusetts General Hospital
MD Anderson Cancer Centre
Ohio State University Medical Center

UNITED KINGDOM
Kings Hospital, London
Priory Hospitals, England
London Clinic, London
London Ophthalmology Center
Great Ormond Street Hospital

FRANCE
All Major hospitals in France through associated agencies
American Hospitals

GERMANY
Red Cross Hospitals, Berlin
West German Heart Centre, Germany