Predictors of hypocretin (orexin) deficiency in narcolepsy without cataplexy

Olivier Andlauer, Hyatt Moore, Seung-Chul Hong, Yves Dauvilliers, Takashi Kanbayashi, Seiji Nishino, Fang Han, Michael H Silber, Tom Rico, Mali Einen, Birgitte R Kornum, Poul Jennum, Stine Knudsen, Sona Nevsimalova, Francesca Poli, Giuseppe Plazzi, Emmanuel Mignot