1. The Jenner Institute, Nuffield Department of Medicine, University of Oxford. The Henry Wellcome Building for Molecular Physiology, Oxford, UK
2. Oxford Vaccine Group, Department of Paediatrics, University of Oxford and the NIHR Oxford Biomedical Research Centre, Oxford, UK
3. Instituto Politécnico Nacional, IPN. Av. Luis Enrique Erro S/n. Unidad Adolfo López Mateos. CP, Mexico City, Mexico