. Author manuscript; available in PMC: 2015 Nov 1.
Published in final edited form as: Eur J Paediatr Neurol. 2014 Jul 5;18(6):722–729. doi: 10.1016/j.ejpn.2014.06.006
© 2014 European Paediatric Neurology Society. Published by Elsevier Ltd. All rights reserved.