Ethical challenges in tracheostomy-assisted ventilation in amyotrophic lateral sclerosis

Author's accepted version (post-print).This is a post-peer-review, pre-copyedit version of an article published in Journal of Neurology. The final authenticated version is available online at: http://dx.doi.org/10.1007/s00415-018-9054-x.Available from 15/09/2019.acceptedVersio