1. Department of Orofacial Pain and Dysfunction Academic Centre for Dentistry Amsterdam (ACTA) University of Amsterdam and Vrije Universiteit Amsterdam Amsterdam The Netherlands
2. Medical Library Vrije Universiteit, Amsterdam Amsterdam The Netherlands
3. Amsterdam University Medical Centres (Amsterdam UMC) Neurology Amsterdam Neuroscience Vrije Universiteit Amsterdam Amsterdam The Netherlands
4. Sleep Wake Centre Stichting Epilepsie Instellingen Nederland (SEIN) Heemstede The Netherlands