[1] King Abdulaziz Univ, King Abdulaziz Univ Hosp, Fac Med, Inflammatory Bowel Dis Unit,Dept Pediat, Jeddah, Saudi Arabia
[2] King Fahad Specialist Hosp, Dept Med, Dammam, Saudi Arabia
[3] King Saud Univ, King Saud Univ Med City, Pediat Dept, Gastroenterol Unit, Riyadh, Saudi Arabia
[4] Natl Guard Hosp, Dept Pediat, Gastroenterol Unit, King Abdulaziz Med City, Jeddah, Saudi Arabia
[5] King Saud Bin Abdulaziz Univ Hlth Sci, Dept Pediat Gastroenterol, Jeddah, Saudi Arabia
[6] King Abdullah Int Med Res Ctr, Dept Pediat Gastroenterol, Jeddah, Saudi Arabia
[7] Alfaisal Univ, Childrens Specialized Hosp, King Fahad Med City, Coll Med, Riyadh, Saudi Arabia
[8] King Saud Univ, King Saud Univ Med City, Coll Med, Div Gastroenterol,Dept Med, Riyadh, Saudi Arabia
[9] King Faisal Specialist Hosp & Res Ctr, Dept Med, Riyadh, Saudi Arabia
[10] Yale Sch Med, Dept Internal Med, Sect Digest Dis, New Haven, CT USA
[11] King Saud Univ, Coll Med, Dept Surg, Div Vasc Surg, Riyadh, Saudi Arabia
[12] Al Habib Med Grp, Pediat Dept, Gastroenterol Unit, Khobar, Saudi Arabia
[13] King Saud Med City, Dept Gastroenterol, Riyadh, Saudi Arabia
[14] Alfaisal Univ, King Faisal Specialist Hosp & Res Ctr, Dept Med, Riyadh, Saudi Arabia
[15] Tabuk Hlth Cluster, Execut Management Transformat Planning & Business, Tabuk, Saudi Arabia
[16] Prince Sultan Mil Med City, Dept Pharmaceut Care Serv, Riyadh, Saudi Arabia
[17] Minist Hlth, Deputyship Therapeut Affairs, Riyadh, Saudi Arabia
[18] Alfaisal Univ, Coll Med & Pharm, Riyadh, Saudi Arabia
[19] King Abdulaziz Univ, King Abdulaziz Univ Hosp, Inflammatory Bowel Dis Unit, Dept Internal Med, Jeddah, Saudi Arabia