Ratajska, Ewa Ratkowski, Wojciech Ratkowski, Wojciech Ratman, Katarzyna Ratman, Katarzyna (Poland) Ratrout, Basem M Ratti, Carlo Raulinajtys-Grzybek, Monika Raval, Amish N. Ravanelli, Marco Ravekes, William, Division of Pediatric Cardiology, Johns Hopkins University School of Medicine, Baltimore, MD, USA Rawdanowicz, Juliusz, Department of Cardiology, Hypertension and Internal Medicine, Medical University of Warsaw, Brodnowski Mazowian Hospital, Warsaw, Poland; Department of Heart Failure and Cardiac Rehabilitation, Medical University of Warsaw, 2nd Medical Faculty, Brodnowski Mazowian Hospital, Warsaw, Poland Rawwasch, Anna Rayo, Manuel Rdzanak, Adam, 1st Department of Cardiology, Medical University of Warsaw Rdzanek, Adam, I Katedra i Klinika Kardiologii Warszawskiego Uniwersytetu Medycznego Rdzanek, Adam, 1st Department of Cardiology, Medical University of Warsaw Rdzanek, Adam, 1st Department of Cardiology, Medical University of Warsaw, Poland Rdzanek, Adam, 1st Department of Cardiology, Medical University of Warsaw, Warsaw, Poland Rdzanek, Adam, 1st Chair and Department of Cardiology, Medical University of Warsaw, Warsaw, Poland Rdzanek, Adam Rdzanek, Adam Rdzanek, Adam Rdzanek, Hanna Rębowska, Ewa, Medical University of Lodz