Stephens HE, Joyce NC, Oskarsson B. National Study of Muscle Cramps in ALS in the USA. Amyotrophic Lateral Sclerosis and Frontotemporal Degeneration, 2017;18(1-2): 32–36.
https://doi.org/10.1080/21678421.2016.1245755
When the above article was first published, the affiliation for author BJÖRN OSKARSSON was listed in error as Patient Centered Research, Gillette, Wyoming, USA. The correct affiliation for the author is the Department of Neurology and Pathology, University of California, Davis, California, USA.
Taylor and Francis apologises for this error.