1 Department of Veterinary Medicine, University of Cambridge, Cambridge, CB3 0ES, UK. lucy.weinert@gmail.com.
2 Department of Molecular Biology and Biotechnology, University of Sheffield, Sheffield, S10 2TN, UK.
3 Department of Veterinary Medicine, University of Cambridge, Cambridge, CB3 0ES, UK.
4 Department of Mathematics and Statistics, University of Helsinki, Helsinki, 00100, Finland.
5 MRC Centre for Outbreak Analysis and Modelling, Department of Infectious Disease Epidemiology, Faculty of Medicine, London, W2 1PG, UK.
6 Department of Computer Science, University of Helsinki, Helsinki, 00100, Finland.
7 The Wellcome Trust Sanger Institute, Wellcome Trust Genome Campus, Hinxton, Cambridge, CB10 1SA, UK.
8 Oxford University Clinical Research Unit, Wellcome Trust Major Overseas Programme, Hospital for Tropical Diseases, Quan 5, Ho Chi Minh City, Vietnam.
9 Hospital for Tropical Diseases, Quan 5, Ho Chi Minh City, Vietnam.
10 Centre for Tropical Medicine, Nuffield Department of Medicine, University of Oxford, Oxford, OX3 7LJ, UK.
11 Department of Global Health-Amsterdam Institute for Global Health and Development, Academic Medical Centre, University of Amsterdam, Amsterdam, 1100 DE, The Netherlands.
12 Department of Medicine, University of Cambridge, Addenbrookes Hospital, Hills Road, Cambridge, CB2 0SP, UK.
13 Section of Paediatrics, Faculty of Medicine, Imperial College London, London, W2 1PG, UK.
14 The Royal Veterinary College, Hawkshead Campus, Hertfordshire, AL9 7TA, UK.
15 Faculty of Infectious & Tropical Diseases, London School of Hygiene & Tropical Medicine, London, WC1E 7HT, UK.