1 From the SEIN-Epilepsy Institute in the Netherlands Foundation (J.E., G.-J.d.H., A.G.), Heemstede, the Netherlands; and Shrewsbury and Telford Hospital NHS Trust (A.G.), Telford, UK.
2 From the SEIN-Epilepsy Institute in the Netherlands Foundation (J.E., G.-J.d.H., A.G.), Heemstede, the Netherlands; and Shrewsbury and Telford Hospital NHS Trust (A.G.), Telford, UK. a.gait@talk21.com.