1 From the Grey Bruce Health Services (G.B.Y.), Owen Sound, Ontario, Canada; and Comprehensive Epilepsy Center KS 457 (F.W.D.), Beth Israel Deaconess Medical Center Boston, MA. gyoung@gbhs.on.ca.
2 From the Grey Bruce Health Services (G.B.Y.), Owen Sound, Ontario, Canada; and Comprehensive Epilepsy Center KS 457 (F.W.D.), Beth Israel Deaconess Medical Center Boston, MA.