1. Amsterdam University Medical Centers,Location VUmc, Dept. Radiology & Nuclear Medicine,Amsterdam,The Netherlands
2. Heidelberg University Hospital,Centre for Child and Adolescent Medicine,Heidelberg,Germany
3. Universidad de Valparaiso,Dept. of Medicine and the Cardiovascular Physiology Laboratory,Chile
4. Drexel University College of Medicine,Dept. Emergency Medicine,Philadelphia,PA,USA
5. Rutgers University,Biomedical Engineering,Piscataway,NJ,USA