1. National Reference Center for Kleine-Levin Syndrome, Paris, France
2. Sorbonne-APHP, Pitie-Salpetriere University Hospital, Sleep Disorders Unit, Paris, France
3. Sorbonne University, Paris, France
4. Laboratory of Pharmacology-Toxicology, AP-HP, Raymond Poincaré University Hospital, Garches, France
5. Plateforme Spectrométrie de Masse, Versailles Saint-Quentin-en-Yvelines University, Montigny-le-Bretonneux, France