About the Authors
Section of Cell and Developmental Biology, University of California, San Diego, La Jolla, California, United States of America
National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, Shanghai, People's Republic of China
The authors have declared that no competing interests exist.
Conceived and designed the experiments: YH RVA. Performed the experiments: YH. Analyzed the data: YH RVA. Contributed reagents/materials/analysis tools: SHX. Wrote the paper: YH RVA.