Validity of International Classification of Disease Codes to Identify Ischemic Stroke and Intracranial Hemorrhage Among Individuals With Associated Diagnosis of Atrial Fibrillation - Thigpen, JL; Dillon, C; Forster, KB; Henault, L; Quinn, EK; Tripodis, Y; Berger, PB; Hylek, EM; Limdi, NA (Circ Cardiovasc Qual Outcomes, 2015)