Piotrowicz, Ryszard Piotrowicz, Ryszard, Department of Cardiac Rehabilitation and Noninvasive Electrocardiology, Institute of Cardiology, Warsaw (Poland) Piotrowicz, Ryszard, Institute of Cardiology Piotrowicz, Ryszard, Department of Cardiac Rehabilitation and Noninvasive Electrocardiology, Institute of Cardiology Warsaw Piotrowicz, Ryszard, Institute of Cardiology, ul. Alpejska 42, 04-628 Warsaw Piotrowicz, Ryszard, Institute of Cardioloigy Alpejska 42 04-628 Warsaw Piotrowicz, Ryszard Piotrowska-Kownacka, Dorota, I Department of Clinical Radiology, Medical University of Warsaw Piotrowski, Grzegorz Piotrowski, Grzegorz (Poland) Piotrowski, Jakub Piotrowski, Roman, Department of Cardiology, Grochowski Hospital, Postgraduate Medical School, Warsaw, Poland Piotrowski, Walerian Piotrowski, Walerian Piotrowski, Walerian, Statistics Laboratory, Institute of Cardiology, Warsaw (Poland) Piotrowski, Wiesław Piper, Susan E. Piraciaba, Maria Clara Teixeira Pires, Inês Pirozzolo, Giancarlo, Institute of Cardiology, Catholic University of the Sacred Heart Pisowodzka, Izabela, First Department of Cardiology, Medical University of Gdansk, Poland Pisowodzka, Izabela Piszczatowska, Grażyna Piszko, Piotr Pitschner, Heinz F., Department of Cardiology, Kerckhoff Heart and Thorax Center, Bad Nauheim, Germany