About the Authors
Institute of Parasitology, Justus-Liebig-University Giessen, Giessen, Germany
Centre for Immunology and Infection, Department of Biology, University of York, York, United Kingdom
The authors have declared that no competing interests exist.
Conceived and designed the experiments: TQ. Performed the experiments: SH ZL TQ. Analyzed the data: SH ZL TQ CGG RAW. Contributed reagents/materials/analysis tools: RAW. Wrote the paper: TQ CGG.