In the article that appeared on page 208 of the May 2018 issue of the Journal of Clinical Neurophysiology, the article’s title was listed incorrectly.
The correct title of this invited review by Brin Freund and Peter W. Kaplan is “Systematic Review of Bilateral Independent Periodic Discharges.”
Freund B, Kaplan PW. Systematic review of bilateral independent periodic discharges. J Clin Neurophysiol 2018;35:208–217