[1] Univ Zambia, Dept Psychol, Lusaka, Zambia
[2] Int Neurol & Psychiat Epidemiol Program, E Lansing, MI USA
[3] Greater Lawrence Family Hlth Ctr, Lawrence, MA USA
[4] Ctr Infect Dis Res Zambia, Lusaka, Zambia
[5] Beth Israel Deaconess Med Ctr, Boston, MA 02215 USA
[6] NINDS, NIH, Bethesda, MD 20892 USA
[7] Univ Rochester, Dept Neurol, Strong Epilepsy Ctr, Rochester, NY USA