[1] King Abdulaziz Univ, Dept Surg, Jeddah, Saudi Arabia
[2] King Abdulaziz Univ, Dept Med, Jeddah, Saudi Arabia
[3] King Abdulaziz Univ, Fac Med, Jeddah, Saudi Arabia
[4] King Abdulaziz Univ Hosp, Inflammatory Bowel Dis Res Grp, Jeddah, Saudi Arabia
[5] King Abdulaziz Univ Hosp, Gastrointestinal Oncol Unit, Jeddah, Saudi Arabia