About the Authors

Robert M Sapolsky, Lisa J Share
Department of Biological Sciences and Department of Neurology and Neurological Sciences, Stanford University, Stanford, California, United States of America

Robert M Sapolsky
Institute of Primate Research, National Museums of Kenya Karen, Nairobi, Kenya

Corresponding Author

sapolsky@stanford.edu

Competing Interests

The authors have declared that no conflicts of interest exist.

Author Contributions

RMS and LJS conceived, designed, and performed the experiments. RMS analyzed the data and contributed reagents/materials/analysis tools. RMS and LJS wrote the paper.