1. Department of Medicine, University of Otago, Christchurch, New Zealand
2. Division of Global and Tropical Health, Menzies School of Health Research, Charles Darwin University, Darwin, Northern Territory, Australia
3. Department of Infectious Diseases, Christchurch Hospital, Christchurch, New Zealand
4. Australian Institute of Tropical Health and Medicine, James Cook University, Cairns, QLD, Australia
5. Mahidol-Oxford Tropical Medicine Research Unit, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
6. Centre for Tropical Medicine and Global Health, Nuffield Department of Clinical Medicine, University of Oxford, Oxford, UK