Commentary: If you have to simulate, do it well!

Affiliations

• ¹ Clinic for Cardiac Surgery, University Hospital Zürich, Zürich, Switzerland; Department of Cardiothoracic Surgery, the University of the Free State, Bloemfontein, South Africa. Electronic address: Carlos.Mestres@usz.ch.
• ² Clinic for Cardiac Surgery, University Hospital Zürich, Zürich, Switzerland.
• ³ Department of Cardiothoracic Surgery, the University of the Free State, Bloemfontein, South Africa.