Intermediate hypocretin-1 cerebrospinal fluid levels and typical cataplexy: their significance in the diagnosis of narcolepsy type 1.

"Disclosure Statement Financial disclosure: SO consulted for Bioprojet, Jazz Pharmaceuticals, UCB Pharma, and Takeda, all paid to institution, and not related to present work. RF consulted for and/or received lecture fees from Bioprojet, Takeda, Lundbeck, TEVA, Lilly, Novartis, and Allergan, and grant support from Jazz Pharmaceuticals and Bioprojet, all not related to the present work. DB received a reimbursement for a course from Bioprojet, not related to the present work. GJL consulted for Bioprojet, Jazz Pharmaceuticals, UCB Pharma, NLS, and Takeda, all paid to institution, and not related to present work. He also served as member of advisory boards on narcolepsy: Bioprojet, Jazz Pharmaceuticals, UCB Pharma, NLS. The other authors have indicated no potential financial conflicts of interest. Nonfinancial disclosure: The authors declare that there is no nonfinancial conflict of interest. Financial disclosure : SO consulted for Bioprojet, Jazz Pharmaceuticals, UCB Pharma, and Takeda, all paid to institution, and not related to present work. RF consulted for and/or received lecture fees from Bioprojet, Takeda, Lundbeck, TEVA, Lilly, Novartis, and Allergan, and grant support from Jazz Pharmaceuticals and Bioprojet, all not related to the present work. DB received a reimbursement for a course from Bioprojet, not related to the present work. GJL consulted for Bioprojet, Jazz Pharmaceuticals, UCB Pharma, NLS, and Takeda, all paid to institution, and not related to present work. He also served as member of advisory boards on narcolepsy: Bioprojet, Jazz Pharmaceuticals, UCB Pharma, NLS. The other authors have indicated no potential financial conflicts of interest."

"Funding The authors received no financial support for the research, authorship, and/or publication of this article."

"Clinical trial information: This study is not registered in a clinical trial register, as it has a retrospective database design."