Letter by Providencia and Lambiase Regarding Article, "Atrial Fibrillation Begets Heart Failure and Vice Versa: Temporal Associations and Differences in Preserved Versus Reduced Ejection Fraction"
Circulation. 2016 Jun 7;133(23):e691.
doi: 10.1161/CIRCULATIONAHA.116.021563.
1 Barts Heart Centre Barts Health NHS Trust London, United Kingdom.
2 Barts Heart Centre Barts Health NHS Trust London, United Kingdom Institute of Cardiovascular Science University College of London London, United Kingdom.