[1] King Fahad Hosp Univ, Div Thorac Surg, Dept Surg, Khobar, Saudi Arabia
[2] Imam Abdulrahman Bin Faisal Univ, Coll Med, Dammam, Saudi Arabia
[3] Imam Abdulrahman Bin Faisal Univ, King Fahad Hosp Univ, Dept Crit Care, Coll Med, Dammam, Saudi Arabia
[4] Menoufia Univ, Fac Med, Shibin Al Kawm, Egypt