MUHAS, Dar es Salaam, Tanzania
Blue Cross Blue Shield Massachusetts, Boston, Massachusetts, United States
Blue Shield of California, San Francisco, California, United States
AdCare Hospital of Worcester Inc., Worcester, Massachusetts, United States
Blue Cross Blue Shield Massachusetts, Boston, Massachusetts, United States
Genzyme, Cambridge, Massachusetts, United States
Harvard Medical School, Boston, Massachusetts, United States
Harvard Vanguard Medical Associates - Kenmore, Boston, Massachusetts, United States