1. Seattle Biomedical Research Institute; Seattle WA 98109 USA
2. Department of Global Health; University of Washington; Seattle WA USA
3. Centre for Immunity, Infection and Evolution; Institute of Immunology and Infection Research; School of Biological Sciences; University of Edinburgh; Edinburgh EH9 3JT UK
4. Department of Biochemistry; University of Oxford; South Parks Road Oxford OX1 3QU UK
5. Centre for Medical Parasitology; Department of International Health, Immunology & Microbiology; Faculty of Health Sciences, University of Copenhagen; Copenhagen Denmark
6. Department of Infectious Diseases; Copenhagen University Hospital; (Rigshospitalet), 1014 Copenhagen Denmark