1. Duke University Medical Center, Durham, NC
2. Emmes Corporation, Rockville, MD
3. University Hospital Vall d’Hebron, Barcelona, Spain
4. Istituto Giannina Gaslini, Genoa, Italy
5. University Medical Center Utrecht, Utrecht, the Netherlands
6. Vanderbilt University Medical Center, Nashville, TN
7. University of Minnesota, Minneapolis, MN
8. National University Health System, Singapore
9. Cleveland Clinic, Cleveland, OH
10. Loyola University Medical Center, Chicago, IL
11. Singapore General Hospital, Singapore
12. University of Turin, Turin, Italy
13. Sheba Medical Center, Tel Hashomer, Israel
14. Hospital Universitario y Politécnic de La Fe, Valencia, Spain