1 Center for Infectious Medicine, Department of Medicine Huddinge, Karolinska Institutet, Stockholm, Sweden. marcus.buggert@ki.se.
2 Division of Infection and Immunity, Cardiff University School of Medicine, Cardiff, UK.
3 Systems Immunity Research Institute, Cardiff University School of Medicine, Cardiff, UK.
4 Department of Microbiology and Immunology, The University of Melbourne at The Peter Doherty Institute for Infection and Immunity, Melbourne, Victoria, Australia.
5 Institute for Immunology and Center for AIDS Research, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
6 Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.