1. Canadian Institute for Advanced Research (CIFAR)MaRS Centre West Tower, 661 University Avenue, Suite 505 Toronto M5G 1M1 ON Canada
2. Michael Smith LaboratoriesUniversity of British Columbia Vancouver BC V6T 1Z4 Canada
3. Department of Microbiology and ImmunologyUniversity of British Columbia Vancouver BC V6T 1Z4 Canada
4. Department of Biochemistry and Molecular BiologyUniversity of British Columbia Vancouver BC V6T 1Z4 Canada
5. Lee Kong Chian School of MedicineNanyang Technological University Singapore 639798 Singapore
6. Department of ImmunologyWeizmann Institute of Science 7610001 Rehovot Israel
7. Singapore Centre for Environmental Life Sciences EngineeringNanyang Technological University Singapore Singapore
8. Department of Anthropology, College of Arts and SciencesUniversity of Delaware Newark DE 19716 USA
9. Zoological InstituteUniversity of Kiel Kiel 24118 Germany