Corresponding author:
Amr A. Arafat, MD, Ph.D.
Correspondence Amr A. Arafat, MD, Department of Adult Cardiac Surgery, Prince Sultan Cardiac Center, Building 6, Makkah Al Mukarramah Branch Road, As Sulimaniyah, Riyadh 12233, Saudi Arabia.
Email: amr.arafat@med.tanta.edu.eg