Affiliation: | Ahmed A Shorrab, Department of Anesthesia, University Hospital Sharjah, Sharjah POB 72772, United Arab EmiratesAhmed A Shorrab, Moustafa A Helal, Faculty of Medicine, Mansoura University, Mansoura 35516, EgyptMoustafa A Helal, University Hospital Sharjah, Sharjah, United Arab Emirates |