Department of Emergency Medicine Department of Emergency Medicine Doctors Dr. MohammadReza Rezaei mohammadreza.rezaei@kums.ac.ir Dr. Homan Rafiei houman.rafiee@kums.ac.ir Dr. Abdolrahman Parna Rahmanparna@yahoo.com Dr. Shahrouz Tabrizi Assistant professor.Emergency Medicine Department.Kermanshah University of Medical Sciences shahrouz.tabrizi@kums.ac.ir Dr. AmirHossein Meysami Amirhhoseinmeisami@yahoo.com