1. Department of Cardiothoracic Surgery/Cardiac Anaesthesia & ICU, Heart Hospital, Hamad Medical Corporation, Doha, Qatar
2. Department of Critical Care Medicine, Beni Suef University, Beni Suef, Egypt
3. Weill Cornell Medical College-Qatar, Doha, Qatar
4. Department of Anesthesia and intensive care, Al-Azhar University, Cairo, Egypt
5. Department of Medicine, Medical Intensive Care Unit (MICU), Hamad General Hospital, Doha, Qatar
6. Pharmacy Department, Heart Hospital, Hamad Medical Corporation, Doha, Qatar
7. Department of Critical Care (surgical & medical) and Operating theater, Heart Hospital, Hamad Medical Corporation, Doha, Qatar
8. Department of the Office of Chief, HMC Corporate, Hamad Medical Corporation, Doha, Qatar
9. Department of Critical Care, Al-Wakra Hospital, Doha, Qatar
10. Department of Medicine, Hamad General Hospital, Doha, Qatar