About the Authors
Janelia Farm Research Campus, Howard Hughes Medical Institute, Ashburn, Virginia, United States of America
Department of Neurobiology, University of Massachusetts Medical School, Worcester, Massachusetts, United States of America
The authors have declared that no competing interests exist.
The author(s) have made the following declarations about their contributions: Conceived and designed the experiments: TL SL CK HY. Performed the experiments: SL CK HY. Analyzed the data: SL CK HY. Contributed reagents/materials/analysis tools: SL CK HY YH. Wrote the paper: TL SL.