Correction: Optimizing endovascular stroke treatment: removing the microcatheter before clot retrieval with stent-retrievers increases aspiration flow ======================================================================================================================================================= Nikoubashman O, Alt JP, Nikoubashman A*, et al.* Optimizing endovascular stroke treatment: removing the microcatheter before clot retrieval with stent-retrievers increases aspiration flow. *J Neurointerv Surg* 2017;9:459–462. In this article the contributor statement should have read ‘conception and design: all authors. Acquisition of data: all authors. Analysis and interpretation of data: all authors. Original draft of the article: JPA. Critically revising the article: all authors.