1. Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
2. Division of General Internal Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
3. Medical Scientist Training Program, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA
4. Intelligent Systems Program, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
5. University of Pittsburgh, Pittsburgh, Pennsylvania, USA
6. College of Education and Health Professions, University of Arkansas, Fayetteville, Arkansas, USA