1. Anaesthesia Unit, Surgery Department, College of Medicine, King Faisal University, P.O. Box 400, Hofuf City 31982, AlAhsa, Saudi Arabia
2. Department of Perioperative Medicine, CHU Clermont-Ferand, iGReD, Universite Clermont Auvergne, CNRS, ISERM, 6300 Clermont-Ferrand, France
3. Anaesthesia Department, King Abdulaziz Hospital, P.O. Box 2477, Hofuf City 31982, AlAhsa, Saudi Arabia
4. Otolaryngology Department, AlJaber Specialized ENT and Eye Hospital, P.O. Box 36367, Hofuf City 36422, AlAhsa, Saudi Arabia
5. Family Medicine Department, AlAhsa Health Cluster, P.O. Box 5298, Hofuf City 36356, AlAhsa, Saudi Arabia