1 Department of Clinical Research and Development, LUXMED Group, Warsaw, Poland; Department of Public Health, International European University, Kyiv, Ukraine.
2 Department of Clinical Research and Development, LUXMED Group, Warsaw, Poland; Institute of Outcomes Research, Maria Sklodowska-Curie Medical Academy, Warsaw, Poland; Henry JN Taub Department of Emergency Medicine, Baylor College of Medicine, Houston, TX, USA. Electronic address: Lukasz.szarpak@gmail.com.