Dr. Mohamed Abdel Wahab, Head of the dental clinic & head of infection control department from Alexandria , Egypt, working with me in Albaraka Clinic , Unaiza, Saudi Arabia. Dr. Salem AlSaeedi A very clever gynaecologist and obstetrician from Assiut, Egypt, working with me in Albaraka polyclinic , Unaizah, AlQassim, Saudi Arabia.