1 Department of Paediatrics, The University of Melbourne, Parkville, VIC, Australia; Infectious Diseases Research Group, Murdoch Children's Research Institute, Parkville, VIC, Australia; Infectious Diseases Unit, The Royal Children's Hospital Melbourne, Parkville, VIC 3052, Australia. Electronic address: email@example.com.
2 The Icahn School of Medicine at Mount Sinai, New York, NY, USA.
3 WHO, Geneva, Switzerland.
4 Department of Internal Medicine and Radboud Center for Infectious Diseases, Radboud University Nijmegen Medical Center, Nijmegen, Netherlands; Immunology and Metabolism, Life & Medical Sciences Institute, University of Bonn, Bonn, Germany.