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Case-crossover design to study the association between seizure-related outcomes and refilling and switching of antiepileptic medications.
Note: In primary analyses, the induction period was defined as 1 day (i.e. day t-1) and 21 days were used for the case- (i.e. days t-22 to t-2) and the control-period (i.e. days t-43 to t-23).
