1. Health Promotion Research Center (a CDC Prevention Research Center), Department of Health Services, University of Washington School of Public Health, Seattle, Washington
2. Northwest Health Services Research & Development Center of Excellence, VA Puget Sound Health Care System, Seattle, Washington
3. Department of Health Services, University of Washington School of Public Health, Seattle, Washington
4. Department of Health Policy and Management, UNC Gillings Global School of Public Health, University of North Carolina-Chapel Hill