1. Clinical Sciences Department, College of Medicine, University of Sharjah, Sharjah, UAE;
2. Department of Orthopedic Surgery, College of Medicine, Vice Rector for Research Graduate Affairs, Taibah University, Almadinah Almunawwarah, Saudi Arabia;
3. Medical Education Department, School of Medical Sciences, Universiti Sains Malaysia, Kelantan, Malaysia;
4. ENT and Head and Neck Surgery, King Edward Medical University, Lahore, Pakistan