Authors: Paul E Sax; Alexis Sypek; Bethany K Berkowitz; Bethany L Morris; Elena Losina; A David Paltiel; Kathleen A Kelly; George R Seage; Rochelle P Walensky; Milton C Weinstein; Joseph Eron; Kenneth A Freedberg Journal: PLoS One Date: 2014-11-14 Impact factor: 3.240