1. Department of Cell Biology ICND202, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA.
2. Genomics Institute of the Novartis Research Foundation, San Diego, CA 92121, USA.
3. Malaria Program, Naval Medical Research Center, Silver Spring, MD 20910–7500, USA.
4. Division of Parasitology, National Institute for Medical Research, London NW7 1AA, UK.
5. Department of Immunology, Walter Reed Army Institute of Research, Silver Spring, MD 20910, USA.