1. Betty Irene Moore School of Nursing University of California-Davis Sacramento CA USA
2. Health Services, School of Public Health University of Washington Seattle WA USA
3. Epidemiology, School of Public Health University of Washington Seattle WA USA
4. Health Promotion Research Center, Health Services, School of Public Health University of Washington Seattle WA USA
5. Psychiatry and Behavioral Sciences, School of Medicine University of Washington Seattle WA USA
6. Department of Community and Behavioral Health, Colorado School of Public Health University of Colorado CO USA
7. Brigham and Women's Hospital Boston MA USA
8. Department of Epidemiology Harvard School of Public Health Boston MA USA
9. Group Health Research Institute Seattle WA USA
10. Psychosocial and Community Health, School of Nursing University of Washington Seattle WA USA