Zainal, Hafizah, Ampang Hospital, Jalan Mewah Utara, 68000 Ampang Jaya Selangor, Malaysia
Zainal, Hafizah, Medical Officer, Ampang Hospital, Pandan Mewah, Ampang, Selangor, Malaysia.
Zarrabi, Mehrdad, Ministry of Health and Medical Education, Islamic Republic of Iran
