Interpreting HIV diagnostic histories into infection time estimates: analytical framework and online tool oleh Eduard Grebe, Shelley N. Facente, Jeremy Bingham, Christopher D. Pilcher, Andrew Powrie, Jarryd Gerber, Gareth Priede, Trust Chibawara, Michael P. Busch, Gary Murphy, Reshma Kassanjee, Alex Welte, on behalf of the Consortium for the Evaluation and Performance of HIV Incidence Assays (CEPHIA)