TO THE READERSHIP: An error appeared in the article by Toshkezi et al. (Toshkezi G, Kyle M, Longo SL, et al: Brain repair by hematopoietic growth factors in the subacute phase of traumatic brain injury. J Neurosurg 129:1286–1294, 2018).
In the section Controlled Cortical Impact Model of TBI in the Methods, the contact time was misstated as “85-msec” in the following sentence. The correct contact time is shown below.
A 3-mm flat tip with a strike velocity of 1.5 m/sec, a 2-mm strike depth from the surface of the dura, and an