1. Centre for Nursing Care Research; Iran University of Medical Sciences; Rashid Yasemi St, Vali Asr Ave Tehran Iran
2. School of Public Health; Curtin University; Western Australia Australia
3. North Khorasan University of Medical Sciences; Office of Ministry of Health and Medical Education; Bojnoord Iran
4. Department of Anesthesiology, Faculty of Medicine; Mashhad University of Medical Sciences; Mashhad Iran
5. Department of Pharmacognosy, School of Pharmacy; Mashhad University of Medical Sciences; Iran