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Author to whom correspondence should be addressed; E-Mail: alicia.smith@emory.edu Tel.: +1-404-712-9582; Fax: +1-404-727-3233.
All authors approved the submitted and accepted manuscript for publication. Sasha E. Parets and Alicia K. Smith drafted the manuscript. Carrie E. Bedient and Ramkumar Menon edited and provided specific content.
The authors declare no conflict of interest.
This research was supported by a grant from the National Institutes of Health (K01 MH085806 to Alicia K. Smith).
© 2014 by the authors; licensee MDPI, Basel, Switzerland.