Stefaniak, Sebastian, Department of Cardiac Surgery and Transplanotology, University of Medical Sciences Poznan, Poland Stefaniak, Sebastian Stefaniak, Sebastian (Poland) Stefaniak, Sebastian Stefanini, Giulio G. Stefanini, Giulio G. (Italy) Stefanini, Giulio G Stefanini, Giulio Stefańska, Anna Stefański, Adam Steffek, Mariusz Steffel, Jan Steffel, Jan Steffens, Mariusz Steffens, Mariusz Steg, Gabriel, Université Paris-Diderot, Sorbonne-Paris Cité, Paris, France INSERM U-698, Paris, France Département Hospitalo-Universitaire FIRE, Hôpital Bichat, Assistance Publique – Hôpitaux de Paris, Paris, France NHLI Imperial College, ICMS, Royal Brompton Hospital, London, UK Steg, P. Gabriel Steg, Philippe Gabriel Stegienta, Michał Stein, Julia Stein-Gieras, Kamila Stelak, Marek Stelmachów, Jerzy Stempkowska, Justyna, Lubelski Uniwersytet Medyczny Stenvinkel, Peter