1. Department of Anesthesiology and Reanimation, Kocaeli City Hospital, Kocaeli 41060, Turkey
2. College of Medicine, Qatar University, Doha P.O. Box 2713, Qatar
3. Department of Anesthesiology, ICU and Perioperative Medicine, Aisha Bint Hamad Hospital, Hamad Medical Corporation, Doha P.O. Box 3050, Qatar
4. Anesthesiology Section, Hazm Mebaireek General Hospital, Hamad Medical Corporation, Doha P.O. Box 3050, Qatar