One billion Congratulations discussed the PhD thesis researcher Dr. Himmat Mustafa Supervisory Committee on the message consisting of Ms. Magda Mouawad Mohsen Professor and Head of Nursing Department of Community Health and Dr. HE al-Maliki Professor and Head of Mental health nursing department and the Committee for discussion Prof. Dr. Effat Faramlaoy Professor and Head of Nursing Department of Community Health University Cairo is home Dear Professor Professor / Nahla Saafan