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Erratum
=======


[ ARTICLE](http://www.ajnr.org/lookup/volpage/28/997?iss=6)The authors regret the omission of the following disclosure from the Commentary “Wherefore Wingspan” (*AJNR Am J Neuroradiol* 2007;28:997–98):

H.J.C. receives research support from Cordis, and D.F.K. receives research support from MicroVention, Micrus, and Chestnut Medical.

*   Copyright © American Society of Neuroradiology