The current study will be conducted at primary health care center (PHCC) at Jeddah city of the western province of Saudi Arabia. Within Jeddah city, there are 46 PHCCs. In this research, The investigator will select one PHCC to be included in this study. Selection of the PHCC will be based on the simple random technique. Letter to the public health administration for permission to be included in this study will be prepared by the principle investigator of this study and will be sent before conducting this study.