From the Department of Physiology, University of Bern, Bern, Switzerland.
Received for publication November 16, 2010; accepted February 1, 2011.
The study was supported by a grant from the Swiss National Science Foundation (320000-118247 to S.R.) and the Fondation Leducq (Network on Structural Alterations in the Myocardium and the Substrate for Cardiac Fibrillation).
Reprints: Stephan Rohr, MD, Department of Physiology, University of Bern, Bühlplatz 5, CH-3012 Bern, Switzerland (e-mail: [email protected]).