Author(s) affiliations:Yousef Ahmed Alomi*, General Administration of Pharmaceutical Care, Ministry of Health, Riyadh, SAUDI ARABIA.
Mohammed Abdulaziz Altuwaijri, ENT Consultant, King Saud Medical City, Riyadh, SAUDI ARABIA.
Mohsen Huraybie Alshammari, Hail Maternaty and Childern Hospital, Ministry of Health, Hail, SAUDI ARABIA.
Nouf Hameed Al-Muallad, Ibn Sina College Hospital, Jeddah, SAUDI ARABIA.