Pastula DM, Aliabadi N, Haynes AK, Messacar K, Schreiner T, Maloney J, Dominguez SR, Davizon ES, Leshem E, Fischer M, Nix WA, Oberste MS, Seward J, Feikin D, Miller L. Acute neurologic illness of unknown etiology in children - Colorado, August-September 2014. MMWR Morb Mortal Wkly Rep. 2014 Oct 10; 63(40):901-2.