Authors: Alice R Gardiner; Kailash P Bhatia; Maria Stamelou; Russell C Dale; Manju A Kurian; Susanne A Schneider; G M Wali; Tim Counihan; Anthony H Schapira; Sian D Spacey; Enza-Maria Valente; Laura Silveira-Moriyama; Hélio A G Teive; Salmo Raskin; Josemir W Sander; Andrew Lees; Tom Warner; Dimitri M Kullmann; Nicholas W Wood; Michael Hanna; Henry Houlden Journal: Neurology Date: 2012-10-17 Impact factor: 9.910