About the Authors

Christopher D. Nelson

Affiliation Department of Neuroscience, Genentech, Inc., South San Francisco, California, United States of America

Morgan Sheng

sheng.morgan@gene.com

Affiliation Department of Neuroscience, Genentech, Inc., South San Francisco, California, United States of America

Competing Interests

The authors wish to declare that both authors are full-time employees of Genentech, Inc, South San Francisco, CA. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: CDN MS. Performed the experiments: CDN. Analyzed the data: CDN. Contributed reagents/materials/analysis tools: CDN. Wrote the paper: CDN MS.