1. The Department of Public Health, College of Health, Community, and Policy, The University of Texas at San Antonio, San Antonio, TX, USA
2. The Department of Demography, College of Health, Community, and Policy, The University of Texas at San Antonio, San Antonio, TX, USA
3. The John Peace Library, The University of Texas at San Antonio, San Antonio, TX, USA
4. The Department of Health Behavior and Health Education, The School of Public Health at the University of Michigan, Ann Arbor, MI, USA