1. Cooper Medical School of Rowan University Camden New Jersey USA
2. Johns Hopkins School of Medicine Baltimore Maryland USA
3. Boulder Statistics Boulder Colorado USA
4. Massachusetts General Hospital Boston Massachusetts USA
5. Université Libre De Bruxelles Hospital Erasme Brussels Belgium
6. Stanford University School of Medicine Stanford California USA
7. University of Texas MD Anderson Center Houston Texas USA
8. David Geffen School of Medicine at UCLA Los Angeles California USA