1. Division of Epidemiology and Community Health, University of Minnesota , Minneapolis, MN , USA
2. Division of Infectious Diseases, Indiana University School of Medicine , Indianapolis, IN , USA
3. Division of General Internal Medicine, Boston University School of Medicine , Boston, MA , USA
4. Division of Cardiovascular Medicine, Department of Medicine, Vanderbilt University School of Medicine , Nashville, TN , USA
5. Department of Psychology, Indiana University-Purdue University Indianapolis , Indianapolis, IN , USA