Incorrect Spelling of an Author’s Name and Data Error

In the article entitled “Effect of Tumor-Treating Fields Plus Maintenance Temozolomide vs Maintenance Temozolomide Alone on Survival in Patients With Glioblastoma: A Randomized Clinical Trial”¹ published in the December 19, 2017, issue of JAMA, an author’s name was spelled incorrectly (Jordi Bruna, MD) in the author list and a data error occurred in Table 2, in the between-group difference and confidence intervals for the year-1 survival. This article was corrected online.