Verplaetse, Terril L.
McKee, Sherry A.
Funding for this research was provided by:
National Institutes of Health (T32DA007238)
National Institutes of Health (P50DA033945)
National Institutes of Health (R01AA022285)
Article History
First Online: 8 July 2016
Compliance with Ethical Standards
:
: Terril L. Verplaetse, PhD and Sherry A. McKee, PhD declare that they have no conflict of interest.
: This article does not contain any studies with human or animal subjects performed by any of the authors. Terril L. Verplaetse, PhD and Sherry A. McKee, PhD contributed to studies cited in the article. An institutional research ethics board approved each of these studies, and each conformed to the ethical principles outlined in the Declaration of Helsinki.