About the Authors
Wellcome Trust Centre for Cell Biology, University of Edinburgh, Edinburgh, United Kingdom
The authors have declared that no competing interests exist.
AGC, BGM, JFP, RCA, and ALP conceived and designed the experiments. AGC, BGM, JFP, WR, GLH, and ALP performed the experiments and contributed reagents/materials/analysis tools. AGC, BGM, JFP, WR, RCA, and ALP analyzed the data. AGC, RCA, and ALP wrote the paper.