1. Department of Emergency Medicine Imam Khomeini Hospital Complex Faculty of Medicine Tehran University of Medical Sciences TehranIran
2. Department of Emergency Medicine Tehran University of Medical Sciences TehranIran
3. Eye Research Center Farabi Eye Hospital Tehran University of Medical Sciences Tehran Iran
4. Department of Internal Medicine Tehran University of Medical Sciences TehranIran
5. Emergency Medicine Research Center Department of Emergency Medicine Shariati Hospital Faculty of Medicine Tehran University of Medical Sciences TehranIran