1 University of Algiers 1, Algiers, Algeria; University of Sciences and Technology Houari Boumediene, Algiers, Algeria. Electronic address: yehya.khlidj@gmail.com.
2 University of Algiers 1, Algiers, Algeria; University of Sciences and Technology Houari Boumediene, Algiers, Algeria; Nafissa Hammoud University Hospital, Algiers, Algeria.
3 Lehigh Valley Health Network, Allentown, Pennsylvania, USA.
4 Barts Heart Centre, London, United Kingdom; Northumbria Hospitals NHS Foundation Trust, Newcastle Upon Tyne, United Kingdom; Queen Mary University of London, London, United Kingdom; WellSpan Health, York, Pennsylvania, USA.