1. Amsterdam University Medical Centers,Dept. Radiology & Nuclear Medicine,Amsterdam,The Netherlands
2. Cronulla Veterinary Clinic,Sydney,Australia
3. Universidad de Valparaiso,Dept. of Medicine and the Cardiovascular Physiology Laboratory,Chile
4. Rutgers Univ.,Dept. of Biomedical Engineering,Piscataway,NJ,USA
5. Drexel University College of Medicine,Dept. Emergency Medicine,Philadelphia,PA,USA