[1] King Faisal Specialist Hosp & Res Ctr, Gen & Oncol Surg, Madinah Al Munawwarah, Saudi Arabia
[2] Taibah Univ, Med, Madinah Al Munawwarah, Saudi Arabia
[3] King Faisal Specialist Hosp & Res Ctr, Hepatobiliary Surg, Madinah Al Munawwarah, Saudi Arabia
[4] Univ Hosp Sussex Natl Hlth Serv NHS Fdn, Diabet & Endocrinol, Brighton, England
[5] King Faisal Specialist Hosp & Res Ctr, Colorectal Surg, Madina Al Munawwarah, Saudi Arabia