Seizure or known condition that may pre-dispose to seizure (e.g. prior stroke within year to randomization, brain arteriovenous malformation, Schwannoma, meningioma, or other benign CNS or meningeal disease which may require treatment with surgery or radiation therapy) Seizure or known condition that may pre-dispose to seizure (e.g. prior stroke within year to randomization, brain arteriovenous malformation, schwannoma, meningioma, or other benign central nervous system [CNS] or meningeal disease which may require treatment with surgery or radiation therapy) History of seizure or condition that may pre-dispose to seizure (e.g., prior stroke within year prior to randomization, brain arteriovenous malformation, Schwannoma, meningioma, or other benign central nervous system (CNS) or meningeal disease which may require treatment with surgery or radiation therapy History of seizure or condition that may pre-dispose to seizure Any history of seizure or a condition that may pre-dispose to seizure (e.g., prior stroke within year prior to randomization, brain arteriovenous malformation, Schwannoma, meningioma, or other benign CNS or meningeal disease which may require treatment with surgery or radiation therapy).