About the Authors
- Roy A. Wise, Bin Wang, Zhi-Bing You
- Behavioral Neuroscience Branch, Intramural Research Program, National Institute on Drug Abuse, National Institutes of Health, Department of Health and Human Services, Baltimore, Maryland, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: RAW. Performed the experiments: BW ZBY. Analyzed the data: BW ZBY. Wrote the paper: RAW BW ZBY.