1. Department of Psychology, University of Colorado Denver, Colorado.
2. Department of Biology, University of Colorado at Colorado Springs, Colorado.
3. Department of Preventive Medicine and Biometrics, University of Colorado at Denver and Health Sciences Center, Denver, Colorado.
4. Department of Medicine, University of Utah at Salt Lake City, Utah.
5. Department of Epidemiology & Population Health, School of Public Health & Information Science, University of Lousville at Louisville, Kentucky.
6. Department of Medicine and Epidemiology, University of South Florida, Tampa, Florida.