About the Authors

Irina A. Strigo

istrigo@ucsd.edu

Affiliations University of California San Diego, La Jolla, California, United States of America, Veterans Affairs San Diego Healthcare System, San Diego, California, United States of America

Alan N. Simmons

Affiliations University of California San Diego, La Jolla, California, United States of America, Veterans Affairs San Diego Healthcare System, San Diego, California, United States of America

Scott C. Matthews

Affiliations University of California San Diego, La Jolla, California, United States of America, Veterans Affairs San Diego Healthcare System, San Diego, California, United States of America

Arthur D. (Bud) Craig

Affiliation Division of Neurosurgery, Barrow Neurological Institute, Phoenix, Arizona, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: IAS ANS SCM ADC. Performed the experiments: IAS ANS. Analyzed the data: IAS ANS. Wrote the paper: IAS ANS SCM ADC.