Ochała, Andrzej, 3rd Department of Cardiology, Medical University of Silesia in Katowice Ochała, Andrzej, Third Division of Cardiology, Medical University of Silesia, Katowice, Poland Ochała, Andrzej, Third Department of Cardiology, Medical University of Silesia, Katowice Ochała, Andrzej, Upper Silesian Medical Centre, Medical University of Silesia, Katowice, Poland. Ochała, Andrzej Ochenduszko, Sebastian Ochijewicz, Dorota Ochman, Marek Ochman, Marek Ochotny, Romuald Ochotny, Romuald, I Klinika Kardiologii Uniwersytetu Medycznego im. Karola Marcinkowskiego ul. Długa 1/2, 61‐848 Poznań Ochotny, Romuald Ochotny, Romuald Ociessa, Aneta Ociessa, Aneta Oczko, Janusz Odemis, Ender, Mehmet Akif Ersoy Cardiovascular Research and Training Hospital Oduah, Mary-Tiffany Oduncu, Vecihi, Department of Cardiology, Bahçeşehir Medical University, Fatih Medical Park Hospital, Istanbul, Turkey Oechslin, Erwin Oflaz, Huseyin, Department of Cardiology, Istanbul School of Medicine, Istanbul University, Istanbul, Turkey Oganov, Rafael G. Ogińska-Bulik, Nina, Institute of Psychology, University of Lodz, Poland Ogórek, Michał Ogórkowska, Joanna, Akademia Medyczna