Kasr Alainy medical school
National Research Center (NRC), Cairo
El-Haud El-Marsoud Hospital, Cairo
The Shark Al Medina Hospital, Alexandria
Ain Shams university-Faculty of medicine
Menia university-Faculty of medicine
Sohag university-Faculty of medicine
Assiut university-Faculty of medicine
Al Azhar University.Damietta faculty of medicine
Medical Research Institute.Alexandria
Alexandria university,faculty of medicine