O'Brien, K, L, Baggett, H.C, Abdullah-Brooks, W, Feikin, D.R, Hammitt, L. L, Higdon, M.M, Howie, S.R.C,  Knoll, M. D, Kotloff, K.L, Levine, O, S,  Madhi, S. A, Murdock, Kwenda, G, Mwananyanda, L, Mwansa, J, Seidenberg, Zaman, S.M.A