1. From the Vascular Medicine, University Hospital (S.G., A.B., M.M., M.B., B.N.), Rudolf Virchow Center, DFG Research Center for Experimental Biomedicine (S.G., A.B., M.M., M.B., Z.N., H.M.H., M.B., B.N.), and Cardiovascular Physiology, Institute of Physiology (T.P.), University of Würzburg, Würzburg, Germany; and Leibniz-Institut für Analytische Wissenschaften-ISAS-e.V., Dortmund, Germany (A.S.).