1. Public Health Research Institute, Rutgers University, Newark, New Jersey, USA
2. Department of Biological Sciences, Rutgers University, Newark, New Jersey, USA
3. Department of Microbiology and Immunology, School of Medicine, University of Maryland, Baltimore, Maryland, USA
4. Department of Biology, West Virginia University, Morgantown, West Virginia, USA
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 Medicine, University of Oxford, Oxford, United Kingdom