1. Department of Nursing School of Nursing Arak University of Medical Sciences Arak Iran
2. Pediatric Nursing Department School of Nursing & Midwifery Shahid Beheshti University of Medical Sciences Tehran Iran
3. Department of Biostatistics and Epidemiology Scientific Research Center School of Health Tehran University of Medical Sciences Tehran Iran
4. Department of Emergency Medicine University of Maryland School of Medicine Baltimore Maryland USA
5. Ayatollah Khansari Hospital Arak University of Medical Sciences Arak Iran
6. Amir‐al‐Momenin Hospital Arak University of Medical Sciences Arak Iran