Academic staff member of Azad University of Tehran, head of the NICU (neonatal special care) department of the Ministry of Petroleum and Tehran's Ferhikhtegan Hospital, member of the medical staff of Irfan Niayesh, Bahman, Milad Hospitals in Tehran, history of cooperation and attendance at: Hazrat Rasool Akram (PBUH) Hospital, Mahdieh Hospital, Akbar Abadi Hospital and Najmieh, Sarem, Parsian, Irfan Hospitals, Tehran Children's Hospital, Mostafa Khomeini, Shahid Allah University of Medical Sciences and Baqiyatullah University. Iranian medical sciences with super-specialized board from Shahid Beheshti University.