1. Minnesota Regional Sleep Disorders Center, Department of Psychiatry, Hennepin County Medical Center, University of Minnesota Medical School, Minneapolis, MN, USA
2. Department Of Neurology, University Hospital, Zurich, Switzerland
3. Stanford Center for Narcolepsy, Stanford, CA
4. Fédération des Pathologies du Sommeil, Hôpital Pitié-Salpêtrière, Assistance Publique - Hôpitaux de Paris, France