1. Institute of Structural and Molecular Biology, Birkbeck College, University of London, London WC1E 7HX, UK
2. Division of B Cell Immunology, German Cancer Research Center, 69120 Heidelberg, Germany
3. Department of Microbiology, Tumor and Cell Biology, Karolinska Institute, Box 280, 171 77 Stockholm, Sweden
4. Department of Immunotechnology, Lund University, Medicon Village, S-223 81 Lund, Sweden
5. Center for HIV and STIs, National Institute for Communicable Diseases of the National Health Laboratory Service, Sandringam, Gauteng 2131, South Africa
6. Antibody Immunity Research Unit, School of Pathology, University of the Witwatersrand, Johannesburg 2050, South Africa
7. Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA 98109-1024, USA
8. Faculty of Engineering, Bar Ilan University, Ramat Gan 5290002, Israel
9. Department of Biochemistry and Molecular Genetics, University of Louisville School of Medicine, Louisville, KY 40202, USA
10. School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, New South Wales 2052, Australia