Letter by Asinger et al Regarding Articles, "Should Patients With Atrial Fibrillation and 1 Stroke Risk Factor (CHA2DS2-VASc Score 1 in Men, 2 in Women) Be Anticoagulated? Yes: Even 1 Stroke Risk Factor Confers a Real Risk of Stroke" and "Should Patients With Atrial Fibrillation and 1 Stroke Risk Factor (CHA2DS2-VASc Score 1 in Men, 2 in Women) Be Anticoagulated?: The CHA2DS2-VASc 1 Conundrum: Decision Making at the Lower End of the Risk Spectrum". Issue 18 (1st November 2016)