Correction: Adenosine A1 Receptors Promote Endothelial Cell Barrier Integrity via G and Akt-Dependent Actin Cytoskeleton Remodeling. - Nagavedi Siddaramappa Umapathy; Elzbieta Kaczmarek; Nooreen Fatteh; Nana Burns; Rudolf Lucas; Kurt R. Stenmark; Alexander D. Verin; Evgenia V. Gerasimovskaya (PLoS ONE, 2013)