| 1 (25) | Jordan University Hospital | JOR |  |
| 2 (917) | Cleveland Clinic Abu Dhabi | ARE | |
| 3 (1181) | Sidra Medicine | QAT | |
| 4 (1455) | King Fahad Medical City | SAU | |
| 5 (1473) | King Fahd Medical Research Center | SAU | |
| 6 (1638) | King Saud University Medical City | SAU | |
| 7 (2379) | Johns Hopkins Aramco Healthcare | SAU | |
| 8 (2558) | Ministry of Health | SAU | |
| 9 (2660) | Institut Pasteur de Tunis | TUN | |
| 10 (2760) | Egyptian National Cancer Institute | EGY | |
| 11 (2837) | King Abdullah International Medical Research Center | SAU | |
| 12 (2929) | Hamad Medical Corp * | QAT | |
| 13 (3053) | Ministry of National Guard - Health Affairs | SAU | |
| 14 (3162) | King Abdulaziz University Hospital, Jeddah | SAU | |
| 15 (3179) | King Faisal Specialist Hospital and Research Centre | SAU | |
| 16 (3342) | King Abdulaziz Medical City, Riyadh | SAU | |
| 17 (3364) | Kuwait University Health Science Center | KWT | |
| 18 (3417) | Theodor Bilharz Research Institute | EGY | |
| 19 (3575) | Ministry of Health and Population of Egypt | EGY | |
| 20 (3795) | Jordanian Royal Medical Services * | JOR | |
| 21 (3804) | King Hussein Cancer Center | JOR | |
| 22 (3859) | Institut National de Sante Publique, d’Epidemiologie Clinique et de Toxicologie | LBN | |
| 23 (3924) | American University of Beirut Medical Center | LBN | |
| 24 (4042) | King Saud Medical City | SAU | |
| 25 (4102) | Prince Sultan Military Medical City | SAU | |
| 26 (4138) | Ministry of Health | IRQ | |
| 27 (4176) | Hamad General Hospital | QAT | |
| 28 (4319) | Baghdad Medical City | IRQ | |
|
