1 School of Health Management and Medical Information Science, Iran University of Medical Sciences, Tehran, Iran.
2 Department of Medical Library and Information Sciences, School of Health Management and Medical Information Science, Iran University of Medical Sciences, Tehran, Iran.
3 Department of Public Health, School of Health, Mazandaran University of Medical Sciences, Sari, Iran. khazaie_m@yahoo.com.
4 Health Sciences Research Center, Addiction Research Institutes, Mazandaran University of Medical Sciences, Sari, Iran. khazaie_m@yahoo.com.