1. Department of Family Medicine and Community Health University of Massachusetts Medical School & Meyers Primary Care Institute Worcester Massachusetts USA
2. Department of Population Medicine Harvard Medical School / Harvard Pilgrim Health Care Institute Boston Massachusetts USA
3. HealthCore, Inc. Wilmington Delaware USA
4. Humana Healthcare Research Inc. (Humana) Louisville Kentucky USA
5. Humana Healthcare Research, Inc. (Humana) Miami Florida USA
6. Women's College Research Institute, Women's College Hospital University of Toronto Toronto Ontario Canada