1. Institute of Genetics, School of Biology, Queen's Medical Centre, University of Nottingham, Nottingham NG7 2UH, United Kingdom
2. Divisions of Parasitology
3. Molecular Structure, MRC National Institute for Medical Research, Mill Hill, London NW7 1AA, United Kingdom
4. MRC Technology Mill Hill, London NW7 1AD, United Kingdom
5. Institute of Immunology and Infection Research, School of Biological Sciences, Kings Buildings, University of Edinburgh, Edinburgh EH9 3JT, United Kingdom