[1] Barrow Neurol Inst, Dept Neurol, Phoenix, AZ 85013 USA
[2] Univ Arizona, Phoenix, AZ 85013 USA
[3] Univ Calif Los Angeles, Dept Neurol, Los Angeles, CA 90024 USA
[4] Wake Forest Univ, Bowman Gray Sch Med, Winston Salem, NC USA
[5] Univ Wisconsin, Madison, WI USA
[6] Minnesota Epilepsy Grp, St Paul, MN USA
[7] Epilepsy Fdn Amer, Landover, MD USA
[8] Hoechst Marion Roussel, Kansas City, MO USA