1 Department of Microbiology, Immunology and Tropical Medicine, School of Medicine & Health Sciences, The George Washington University, Washington DC, United States of America.
2 Research Center for Neglected Tropical Diseases of Poverty, School of Medicine & Health Sciences, The George Washington University, Washington DC, United States of America.
3 Centre for Biodiscovery and Molecular Development of Therapeutics, Australian Institute of Tropical Health & Medicine, James Cook University, Cairns, Queensland, Australia.