1. Center for Health Promotion and Prevention Research, The University of Texas Health Science Center at Houston School of Public Health, Houston, TX, USA
2. Cecil G. Sheps Center for Health Service Research, University of North Carolina, Chapel Hill, NC, USA
3. Department of Epidemiology, Human Genetics and Environmental Sciences, The University of Texas Health Science Center at Houston School of Public Health, Houston, TX, USA
4. Division of Cancer Prevention, National Cancer Institute, Bethesda, MD, USA
5. Cancer Epidemiology and Genetics, National Cancer Institute, NIH, DHHS, Rockville, MD, USA
6. 2-1-1 Texas/United Way HELPLINE, United Way of Greater Houston, Houston, TX, USA