Palazzuoli, Alberto, Dept of Internal Medicine and Metabolic Diseases, Cardiology Section University of Siena, Le Scotte Hospital Viale Bracci Siena Italy Palczewski, Piotr Paliege, Robert, Dept. of Cardiology Klinikum Kassel Palka, Ilona Palkowski, Aleksander Palmerini, Elisabetta Palmerini, Tullio, Department of Cardiology, University of Bologna Palmiero, Pasquale, ASL Brindisi, Cardiology Equipe, District of Brindisi, Italy Palusiński, Robert Paluszak, Wacława Paluszkiewicz, Lech Paluszkiewicz, Lech Pan, Cuizhen Pan, Cuizhen, Department of echocardiography, Zhongshan hospital of Fudan university, Shanghai institute of cardiovascular disease, Shanghai, China; Pan, Manuel Pan, Sun Pan, Weili Pan, Wenqi Panagiotopoulos, Ioannis Panayotov, Panayot Pandey, Ambarish, University of Texas Pandey, Shweta Pandey, Umeshwar Pandya, Utpal Pang, Guanghui, Linyi People's Hospital