About the Authors

Michael J. McCarthy

mmccarthy@ucsd.edu

Affiliations Veterans Affairs San Diego Healthcare System, San Diego, California, United Sates of America, Department of Psychiatry, University of California San Diego, La Jolla, California, United States of America, Center for Chronobiology, University of California San Diego, La Jolla, California, United States of America

Caroline M. Nievergelt

Affiliations Department of Psychiatry, University of California San Diego, La Jolla, California, United States of America, Center for Chronobiology, University of California San Diego, La Jolla, California, United States of America

John R. Kelsoe

Affiliations Veterans Affairs San Diego Healthcare System, San Diego, California, United Sates of America, Department of Psychiatry, University of California San Diego, La Jolla, California, United States of America, Center for Chronobiology, University of California San Diego, La Jolla, California, United States of America

David K. Welsh

Affiliations Veterans Affairs San Diego Healthcare System, San Diego, California, United Sates of America, Department of Psychiatry, University of California San Diego, La Jolla, California, United States of America, Center for Chronobiology, University of California San Diego, La Jolla, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MM CN JK DW. Performed the experiments: MM. Analyzed the data: MM. Wrote the paper: MM CN JK DW.