[1] Temple Univ, Lewis Katz Sch Med, Ctr Subst Abuse Res, Philadelphia, PA 19140 USA
[2] Temple Univ, Lewis Katz Sch Med, Microbiol & Immunol Dept, Philadelphia, PA 19140 USA
[3] Temple Univ, Lewis Katz Sch Med, Dept Clin Sci, Philadelphia, PA 19140 USA
[4] Temple Univ, Lewis Katz Sch Med, Ctr Subst Abuse Res, Dept Physiol, Philadelphia, PA 19140 USA
[5] Temple Univ, Lewis Katz Sch Med, Ctr Subst Abuse Res, Dept Pharmacol, Philadelphia, PA 19140 USA