EDITORIAL STAFF EDITORIAL BOARD Rafał Krenke, MD, PhD Warsaw, Poland EXECUTIVE EDITOR Franciszek Kokot, MD, PhD Eugeniusz J. Kucharz, MD, PhD Grzegorz Gajos, MD, PhD Katowice, Poland (Co-Chair) Katowice, Poland Roman Jaeschke, MD, MSc STATISTICAL CONSULTANT Jan Kulpa, MD, PhD Hamilton, ON, Canada (Co-Chair) Agnieszka Pac, PhD Kraków, Poland Małgorzata Bała, MD, PhD Jolanta Małyszko, MD, PhD MANAGING EDITOR Kraków, Poland Białystok, Poland Maria Piasecka, PhD MD, PhD Tomasz Brzozowski, Jacek Musiał, MD, PhD MANUSCRIPT EDITING Kraków, Poland Kraków, Poland Małgorzata Kurowska Flavio Coceani, MD Paul O'Byrne, MD, PhD Małgorzata Wiesner-Spyrczyńska Pisa, Italy Hamilton, ON, Canada Deborah Cook, MD, PhD SOCIAL MEDIA EDITOR Grzegorz Opolski, MD, PhD Hamilton, ON, Canada Zbigniew Heleniak, MD, PhD Warsaw, Poland Mark Crowther, MD, MSc, FRCPC Ralf Paschke, MD, PhD DTP Hamilton, ON, Canada Calgary, Canada Tomasz Śmigla Stanisław Czekalski, MD, PhD Marek Sanak, MD, PhD ADDRESS Poznań, Poland Kraków, Poland Cholerzyn 445 Anna Członkowska, MD, PhD Holger Schünemann, MD, PhD 32-060 Liszki, Poland Warsaw, Poland Hamilton, ON, Canada phone: +48 12 293 42 20 fax: +48 12 293 40 10 James Douketis, MD, FRCPC Tomasz Stompór, MD, PhD email:
[email protected] Hamilton, ON, Canada Olsztyn, Poland www.mp.pl/paim Józef Drzewoski, MD, PhD Krzysztof Strojek, MD, PhD Łódź, Poland Copyright by Medycyna Praktyczna, Katowice, Poland Kraków 2019 Artur Dziewierz, MD, PhD Michał Tendera, MD, PhD Kraków, Poland Katowice, Poland PUBLISHER Piotr Głuszko, MD, PhD Medycyna Praktyczna Anetta Undas, MD, PhD Warsaw, Poland Kraków, Poland INDEXED IN Gordon Guyatt, MD, PhD Jadwiga Wedzicha, MD, PhD Chemical Abstracts Service (CAS), Hamilton, ON, Canada London, UK Crossref, Database of Abstracts of Andrzej Januszewicz, MD, PhD Reviews of Effects (DARE), EBSCO, Albert W.