1. Department of Medicine (M.J.B., A.B.G., A.M.H., G.D.G., I.R.R.), University of Auckland, Auckland 1020, New Zealand
2. Department of Molecular Medicine and Pathology (S.E.B., M.G.T., R.B.E.-P.), University of Auckland, Auckland 1020, New Zealand
3. Department of Infectious Diseases (S.E.B., M.G.T., R.B.E.-P., A.F.W.), Auckland Hospital, Auckland 1020, New Zealand