AUTHOR=Bede Peter , Pradat Pierre-Francois TITLE=Editorial: Biomarkers and Clinical Indicators in Motor Neuron Disease JOURNAL=Frontiers in Neurology VOLUME=10 YEAR=2019 URL=https://www.frontiersin.org/journals/neurology/articles/10.3389/fneur.2019.01318 DOI=10.3389/fneur.2019.01318 ISSN=1664-2295