About the Authors

Paul M. Macey

pmacey@ucla.edu

Affiliations School of Nursing, David Geffen School of Medicine at UCLA, University of California Los Angeles, Los Angeles, California, United States of America, Brain Research Institute, David Geffen School of Medicine at UCLA, University of California Los Angeles, Los Angeles, California, United States of America

Mary A. Woo

Affiliation School of Nursing, David Geffen School of Medicine at UCLA, University of California Los Angeles, Los Angeles, California, United States of America

Rajesh Kumar

Affiliation Department of Neurobiology, David Geffen School of Medicine at UCLA, University of California Los Angeles, Los Angeles, California, United States of America

Rebecca L. Cross

Affiliation School of Nursing, David Geffen School of Medicine at UCLA, University of California Los Angeles, Los Angeles, California, United States of America

Ronald M. Harper

Affiliations Brain Research Institute, David Geffen School of Medicine at UCLA, University of California Los Angeles, Los Angeles, California, United States of America, Department of Neurobiology, David Geffen School of Medicine at UCLA, University of California Los Angeles, Los Angeles, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PMM MAW RLC RMH. Performed the experiments: PMM MAW RK RLC RMH. Analyzed the data: PMM MAW RK. Contributed reagents/materials/analysis tools: PMM MAW. Wrote the paper: PMM MAW RK RLC RMH.