AUTHOR=Sykova Eva , Cizkova Dasa , Kubinova Sarka TITLE=Corrigendum: Mesenchymal Stem Cells in Treatment of Spinal Cord Injury and Amyotrophic Lateral Sclerosis JOURNAL=Frontiers in Cell and Developmental Biology VOLUME=9 YEAR=2021 URL=https://www.frontiersin.org/journals/cell-and-developmental-biology/articles/10.3389/fcell.2021.770243 DOI=10.3389/fcell.2021.770243 ISSN=2296-634X