1. Department of Communication, Cornell University, Ithaca, NY, USA
2. Department of Policy Analysis and Management, Cornell University, Ithaca, NY, USA
3. Wesleyan Media Project and Department of Government, Wesleyan University, Middletown, CT, USA
4. Division of Health Policy and Management, University of Minnesota School of Public Health, Minneapolis, MN, USA
5. Department of Health Policy and Management, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA