Stec, Sebastian, Department of Cardiology, The Medical Center of Postgraduate Education, Grochowski Hospital, Warsaw, Poland Stec, Sebastian, Grochowski Hospital, Postgraduate Medical School, Department of Cardiology, Warsaw, Poland Stec, Sebastian (Poland) Steckiewicz, Roman Steckiewicz, Roman Stecko, Wojciech, Division of Cardiology, Independent Public Health Care Ministry of Internal Affairs, Rzeszow, Poland Steeds, Richard P., University Hospital Birmingham NHS Foundation Trust and University of Birmingham, Birmingham, United Kingdom Steeds, Richard P. Steendijk, Paul Stefanadis, Christodoulos Stefaniak, Sebastian Stefano, Pier Luigi Stefanowska, Jolanta Steffel, Jan, Department of Cardiology, Cardiovascular Center, University Hospital Zurich, Switzerland Steffel, Jan Steffel, Jan (Switzerland) Steinberg, Jonathan S. Steinberg, Jonathan S. Steinman, Russell Steinvil, Arie, TEL AVIV SOURASKY MEDICAL CENTER Stelmach, Daria Stelmark, Konrad Stępak, Hubert Stepaniak, Pieter S., Department of Operating Rooms, Catharina Hospital, Eindhoven, The Netherlands Medical University of Gdansk, Poland Stepaniak, Urszula, Department of Epidemiology and Population Studies, Institute of Public Health, Faculty of Health Sciences, Jagiellonian University Medical College