Affiliation: | Massachusetts Institute of Technology, Cambridge, Massachusetts, USA;Harvard School of Public Health, Boston, Massachusetts, USA (R.J. Blendon, J.M. Benson, K.J. Weldon);Centers for Disease Control and Prevention, Atlanta, Georgia, USA (L.M. Koonin, M.S. Cetron, W.E. Pollard, E.W. Mitchell);International Communications Research, Media, Pennsylvania, USA (M.J. Herrmann) |