About the Authors
Department of Biochemistry and Biophysics, University of California San Francisco, San Francisco, California, United States of America
Samuel Lunenfeld Research Institute, Mount Sinai Hospital, Toronto, Ontario, Canada
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: GMV FDS DD DPT. Performed the experiments: GMV FDS SG SC JPD DPT. Analyzed the data: GMV FDS DD DPT. Contributed reagents/materials/analysis tools: GMV FDS DD DPT. Wrote the paper: GMV DPT.