1. Centers for Disease Control and Prevention, Atlanta, GA, USA
2. AARP, Washington DC, USA
3. University of California, San Francisco, CA, USA
4. West Virginia University, Morgantown, WV, USA
5. Washington University in St. Louis, St. Louis, MO, USA
6. University of North Carolina, Chapel Hill, NC, USA
7. Western Carolina University, Cullowhee, NC, USA
8. University of South Carolina, Columbia, SC, USA
9. Group Health Research Institute, Seattle, WA, USA
10. University of California, Berkeley, Berkeley, CA, USA
11. National Association of Chronic Disease Directors, Atlanta, GA, USA