Khan K, Freifeld CC, Wang J, Mekaru SR, Kossowsky D, Sonricker AL, Hu W, Sears J, Chan A, Brownstein JS. John Brownstein CMAJ April 6, 2010 http://www.ncbi.nlm.nih.gov/pubmed/20181726 182(6):579-83 https://connects.catalyst.harvard.edu/Profiles/profile/582162