1. University of California; San Francisco CA
2. Hospital do Rim e Hipertensao; São Paulo Brazil
3. Stanford University; Stanford CA
4. Westmead Hospital; Westmead Australia
5. The Royal Adelaide Hospital; Adelaide Australia
6. Charité Universitätsmedizin Berlin; Berlin Germany
7. Henry Ford Hospital; Detroit MI
8. Pfizer Inc; Groton, CT Collegeville PA