1. Department of Emergency, Faculty of Medicine, Taleghani Hospital Kermanshah University of Medical Sciences Kermanshah Iran
2. Clinical Research Development Center of Taleghani Kermanshah University of Medical Sciences Kermanshah Iran
3. Department of Emergency, Besat Hospital Hamedan University of Medical Sciences Hamedan Iran
4. Department of Pediatrics, Faculty of Medicine, Besat Hospital Hamedan University of Medical Sciences Hamedan Iran
5. Department of Community Medicine, Education Development Office Hamedan University of Medical Sciences Hamedan Iran