Extended High Density Epicardial Phase Mapping of Persistent Atrial Fibrillation in the Human Left Atrium: High Prevalence of Transient Rotational Activity - Nalliah, C.; Walters, T.; Pathik, B.; Prabhu, S.; Kuklik, P.; Zhao, J.; Madry, A.; Kistler, P.; Kalman, J.; Lee, G. (Heart, lung & circulation, 2016)