1. Department of Neurology Leiden University Medical Centre, Leiden, The Netherlands
2. Department of Neurology, Radboud University Medical Centre, Nijmegen, The Netherlands
3. Sleep Medicine Centre “Kempenhaeghe,” Heeze, The Netherlands
4. Netherlands Institute for Neuroscience, Hypothalamic Integration Mechanisms, Amsterdam, The Netherlands
5. Department of Endocrinology and Metabolism, Academic Medical Centre of the University of Amsterdam, Amsterdam, The Netherlands
6. Department of Endocrinology and Metabolic Diseases, Leiden University Medical Centre, Leiden, The Netherlands
7. Sleep Wake Center SEIN, Heemstede, The Netherlands