Endothelial function in cardiovascular medicine: a consensus paper of the European Society of Cardiology Working Groups on Atherosclerosis and Vascular Biology, Aorta and Peripheral Vascular Diseases, Coronary Pathophysiology and Microcirculation, and Thrombosis - Alexander, Y; Osto, E; Schmidt-Trucksäss, A (Cardiovasc Res, 2021)