Ain shams maternity hospital, Cairo, Egypt
Hend salama shalby El Far, Cairo, Egypt
Ain Shams University, Cairo, (Select), Egypt
Ain shams university, Cairo, Egypt
Outpatient Clinic of the Department of Pediatric Dentistry, Ain Shams University, Cairo, Egypt
Ain Shams University Hospital, Cairo, Abassia, Egypt
Al Assema Hospital, Cairo, Egypt