Sadnicka, Anna
Kornysheva, Katja
Rothwell, John C.
Edwards, Mark J.
Article History
First Online: 6 November 2017
Competing interests
: A.S. and K.K. declare that they have no competing interests. J.C.R. declares that he has received speaker's travel costs from the Movement Disorders Society. M.J.E. declares that he receives royalties for the <i>Oxford Specialist Handbook of Parkinson's Disease and Other Movement Disorders</i> (Oxford University Press, 2008) and that he has received speaker's honoraria from UCB pharmaceuticals.