Article Information
PubMed
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History
- Received November 13, 2012
- Revision received December 23, 2012
- Accepted January 24, 2013
- First published March 6, 2013.
- Version of record published March 6, 2013.
Copyright & Usage
Copyright © 2013 the authors 0270-6474/13/334527-09$15.00/0
Author Information
Author contributions
Author contributions: N.D.V. and G.-J.W. designed research; N.D.V., D.T., G.-J.W., F.T., J.S.F., J.L., L.J.M., and C.T.W. performed research; N.D.V. and D.T. analyzed data; N.D.V. wrote the paper.
Disclosures
- Received November 13, 2012.
- Revision received December 23, 2012.
- Accepted January 24, 2013.
This research was supported by the National Institutes of Health intramural program.
The authors declare no competing financial interests.
- Correspondence should be addressed to Dr. Nora D. Volkow, National Institute of Drug Abuse, Executive Boulevard 6001, Room 5274, Rockville, MD 20857. nvolkow{at}nida.nih.gov