This author has not been identified. Look up 'Fuad Bajaber' in GoogleThis author has not been identified. It may be one of the following persons: Look up 'Sherif Sakr' in GoogleThis author has not been identified. Look up 'Omar Batarfi' in GoogleThis author has not been identified. Look up 'Abdulrahman H. Altalhi' in GoogleThis author has not been identified. Look up 'Ahmed Barnawi' in Google