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Article History

First Online: 20 January 2017

Competing interests

: A.J.E. has received grant support from Great Lakes Neurotechnologies; personal compensation as a consultant/scientific advisory board member for Abbvie, TEVA, Impax, Merz, Acadia, Cynapsus, Lundbeck, and USWorldMeds; royalties from Lippincott Williams & Wilkins and Cambridge University Press; and honoraria from Abbvie, USWorldMeds, Lundbeck, and Acadia. P.B. has served and received personal compensation as a consultant/scientific advisory board member for Capital Technologies, Cure Parkinson's Trust, Renovo Neural, Roche Holding, Teva, Lundbeck A/S and AbbVie; holds equity interest in Acousort, and ParkCell; received honoraria or sponsored/reimbursed travel from American Academy of Neurology, FCB Health, Fondazione Cariplo, Fonds National De la Recherche Luxembourg, Innsbruck Synuclein Symposium, Knut och Alice Wallenbergs Stiftelse and Prothena Corporation. A.E.L. has served as an adviser for Abbvie, Allon Therapeutics, Avanir Pharmaceuticals, Biogen Idec, Boerhinger-Ingelheim, Ceregene, Lilly, Medtronic, Merck, Novartis, NeuroPhage Pharmaceuticals, Teva and UCB; received honoraria from Medtronic, Teva, UCB, AbbVie; received publishing royalties from Saunders, Wiley-Blackwell, Johns Hopkins Press, and Cambridge University Press; and has served as an expert witness in cases related to the welding industry.