1 Division of Infection, Immunity and Respiratory Medicine, School of Biological Sciences, The University of Manchester and Manchester Academic Health Science Centre, Manchester University NHS Foundation Trust, Manchester, United Kingdom. Electronic address: A.Simpson2@hull.ac.uk.
2 Division of Infection, Immunity and Respiratory Medicine, School of Biological Sciences, The University of Manchester and Manchester Academic Health Science Centre, Manchester University NHS Foundation Trust, Manchester, United Kingdom.