M Mohseni1, A Ghasemi Dastgerdi2, M Eftekhari Renani3. 1. Health management and economics research center, Iran university of medical sciences, Tehran, Iran. 2. Disaster and emergency medical management center, Isfahan university of medical sciences, Isfahan, Iran. Electronic address: Alirezaghasemi54@gmail.com. 3. Disaster and emergency medical management center, Isfahan university of medical sciences, Isfahan, Iran.