[1] Med Univ S Carolina, Dept Hlth Sci & Res, Charleston, SC 29425 USA
[2] MUSC, Dept Psychiat & Behav Sci, Clin Neurosci Div, Charleston, SC USA
[3] MUSC, Hollings Canc Ctr, Charleston, SC USA
[4] Ralph H Johnson Vet Affairs Med Ctr, Mental Hlth Serv, Subst Abuse Treatment Ctr, Charleston, SC USA
[5] Eli Lilly & Co, Indianapolis, IN 46285 USA
[6] MUSC, Youth Div, Dept Psychiat & Behav Sci, Charleston, SC USA