Affiliation: | 1. Biochemistry Department, Faculty of Science, Ain Shams University, Cairo, Egypt;2. Hormones Department, National Research Centre, Cairo, Egypt;3. Clinical Biochemistry Department, Faculty of Medicine, King Abdulaziz University, Jeddah, Kingdom of Saudi Arabia;4. Medical Biochemistry and Molecular Biology Department, Faculty of Medicine, Cairo University, Kasralainy, Cairo, Egypt |