1. Brown School, Washington University in St. Louis, St. Louis, MO, USA
2. Center for Health Economics and Policy, Institute for Public Health, Washington University in St. Louis, St. Louis, MO, USA
3. Cardiovascular Division, Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
4. Center for Science Communication Research, School of Journalism and Communication, University of Oregon, Eugene, OR, USA
5. Division of Public Health Sciences, Department of Surgery, Washington University School of Medicine, St. Louis, MO, USA