Parisa Ghelichkhani
1, Mehdi Yaseri
2, Mahmoud Yousefifard
3, Masoud Baikpour
4, Hadi Asady
5, Alireza Oraii
5, Ali Rafei
6, Mostafa Hosseini
2*1 Department of Intensive Care Nursing, School of Nursing and Midwifery, Tehran University of Medical Sciences, Tehran, Iran
2 Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
3 Physiology Research Center and Department of Physiology, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
4 Department of Medicine, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
5 Department of Occupational Health Engineering, Faculty of Public Health, Tehran University of Medical Sciences, Tehran, Iran
6 Centre for Disease Control and Management, Tehran, Iran
*Corresponding Author: *Corresponding Author: Mostafa Hosseini, PhD, Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Poursina Ave, Tehran, Iran. Tel: +982188989125, Fax: +982188989127, Email:, Email:
mhossein110@yahoo.com