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Article History

First Online: 23 April 2015

Competing interests

: S.J.T. has served on advisory boards or had consultancies with GlaxoSmithKline, Ixico Technologies, Isis Pharmaceuticals, Novartis, Roche, Sanofi-Aventis, Siena Biotech Takeda Pharmaceuticals International and TEVA Pharmaceuticals. All honoraria paid for these consultancies and advisory boards go to University College London, UK, S.J.T.'s employer. R.D. has received compensation for consulting activities from Clintrex, Lundbeck, mc10, Shire and the US National Institute of Neurological Disorders and Stroke; research support from Auspex Pharmaceuticals, Biogen, Davis Phinney Foundation, Great Lakes Neurotechnologies, Huntington Study Group, Lundbeck, The Michael J. Fox Foundation, US National Science Foundation, Patient-Centered Outcomes Research Institute, Prana Biotechnology and Sage Bionetworks; and has stock options in Grand Rounds. R.D. is an uncompensated advisor to SBR Health and Vidyo. M.R.H. is president of Global R&D and Chief Scientific Officer at Teva. B.R.L. is the Co-Chair of the Huntington Study Group; has acted as a consultant for Novartis, Pfizer, Siena Biotech, Teva and Isis; and has received relevant research grant support from CHDI, Teva, the Canadian Institutes of Health Research and the Michael Smith Foundation. M.N. has served on paid advisory boards for Lundbeck Inc. and Auspex Pharmaceuticals, and receives research grant funding from Teva Pharmaceuticals and NeuroSearch. C.A.R. currently acts as a consultant for Raptor Pharma; has consulted for Isis, Pfizer, Delbiopharm and Lundbeck; and receives research funding from Johnson & Johnson/Janssen Pharma. The other authors declare no competing interests.