Warning: fopen(/home/virtual/epih/journal/upload/ip_log/ip_log_2023-06.txt): failed to open stream: Permission denied in /home/virtual/lib/view_data.php on line 83 Warning: fwrite() expects parameter 1 to be resource, boolean given in /home/virtual/lib/view_data.php on line 84
1Department of Public Health, Faculty of Health, Shahid Beheshti University of Medical Sciences, Tehran, Iran
2Tabriz Health Service Management Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
3National Institute of Health Research, Tehran University of Medical Sciences, Tehran, Iran
4Department of Health Management and Economics, School of Public Health, Tehran University of Medical Science, Tehran, Iran
5Department of Health Management, Faculty of Management and Medical Information, Tabriz University of Medical Sciences, Tabriz, Iran
©2018, Korean Society of Epidemiology
This is an open-access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.