Louckova, Anna, Cardiocentre, Department of Cardiology, 3rd Faculty of Medicine, Charles University and University Hospital Kralovske Vinohrady, Prague, Czech Republic Loukanov, Tsvetomir Loureiro, Marília Louvard, Yves Lovecchio, Mariolina Löwbeer, Christian Lowe, Boris Lozo, Mislav Lu, Changlin Lu, Edwin Lu, Haixia Lu, Nihong Lu, Zhan, Department of Cardiology, Affiliated Hospital of North Sichuan Medical College Lubanda, J. Lubas, Arkadiusz Lubas, Arkadiusz, Department of Internal Medicine, Nephrology and Dialysotherapy, Military Institute of Medicine, Warsaw, Poland (Poland) Lubas, Arkadiusz, Military Institute of Medicine in Warsaw Lubas, Wojciech Lubiński, Andrzej Lubiński, Andrzej (Poland) Lubiński, Andrzej Lubiński, Wojciech Lubiszewska, Barbara, Coronary and Structural Heart Diseases Department, Institute of Cardiology, Warsaw Lubiszewska, Barbara Luboiński, Grzegorz