[1] Inst Pasteur, Unite Parasitol Biomed, F-75015 Paris, France
[2] Univ Calif Irvine, Coll Med, Dept Ophthalmol, Lab Cellular & Mol Immunol, Irvine, CA 92697 USA
[3] Univ Calif Irvine, Ctr Immunol, Irvine, CA 92697 USA
[4] Biomed Primate Res Ctr, NL-2280 GH Rijswijk, Netherlands