1. Department of Neurosciences, Division of Neurology, Bellaria Hospital, Bologna, Italy
2. Stichting Epilepsie Instellingen Nederland, Heemstede, The Netherlands
3. Department of Neurological Sciences, University of Bologna, Bologna
4. CNR, Institute of Neurosciences, Padova
5. Department of Neurology, University of Modena and Reggio Emilia, Modena, Italy
6. Medisch Centrum Alkmaar, Alkmaar, The Netherlands