First Online: 7 January 2016
: H.K.G. has received unrestricted educational grants from pharmaceutical companies including Allergan. Current research support is from the Hugh Williamson Foundation and the National Health and Medical Research Council of Australia, Cerebral Palsy Centre of Research Excellence (CRE). J.-P.L. has held grants from the Guy's and St. Thomas Charity New Services and Innovation Grant G060708; the Dystonia Society UK Grants 01/2011 and 07/2013 and Action Medical Research GN2097, has acted as a consultant for Medtronic Ltd and benefited from unrestricted educational grants by Medtronic Ltd. B.D. and P.R. are senior members of the editorial board of Mac Keith Press, the publisher of the 2014 book “Cerebral Palsy: Science and Clinical Practice” (Mac Keith Press: London) and have contributed to several chapters, for which they are likely to receive modest royalties. All other authors declare no competing interests.