Surviving Ebola: A historical cohort study of Ebola mortality and survival in Sierra Leone 2014-2015 by Wing, K, Oza, S, Houlihan, C, Glynn, JR, Irvine, S, Warrell, CE, Simpson, AJH, Boufkhed, S, Sesay, A, Vandi, L, Sebba, SC, Shetty, P, Cummings, R, Checchi, F, McGowan, CR