About the Authors
Cold Spring Harbor Laboratory, Cold Spring Harbor, New York, United States of America
Department of Zoology, Faculty of Life Sciences, Tel Aviv University, Ramat Aviv, Tel Aviv, Israel
The authors have declared that no competing interests exist.
Conceived and designed the experiments: PM IG. Performed the experiments: IG. Analyzed the data: DV. Contributed reagents/materials/analysis tools: DV. Wrote the paper: DV.