1. Laboratory of Immunogenetics, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD, USA.
2. Laboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD, USA.
3. Department of Biochemistry and Molecular Biology and Huck Center for Malaria Research, The Pennsylvania State University, University Park, PA, USA.
4. Research Technologies Branch, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA.
5. Wellcome Trust Sanger Institute, Hinxton, Cambridge CB10 1SA, UK.
6. Department of Molecular Biology, Umeå University, S-90187 Umeå, Sweden.
7. Laboratory for Molecular Infection Medicine Sweden, Umeå University, S-90187 Umeå, Sweden.
8. Department of Chemistry, Pennsylvania State University, University Park, PA, USA.