Ahamd Khosravi
ORCID iD Department of Epidemiology, School of Public Health, Shahroud University of Medical Sciences, Shahroud
Iran, Islamic Republic of
Mohammad Hassan Emamian
Center for Health Related Social and Behavioral Sciences Research, Shahroud University of Medical Sciences, Shahroud
Iran, Islamic Republic of
Hassan Hashemi
Noor Research Center for Ophthalmic Epidemiology, Noor Eye Hospital, Tehran
Akbar Fotouhi
ORCID iD Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran
Iran, Islamic Republic of
The PDF file you selected should load here if your Web browser has a PDF reader plug-in installed (for example, a recent version of Adobe Acrobat Reader).
If you would like more information about how to print, save, and work with PDFs, Highwire Press provides a helpful Frequently Asked Questions about PDFs.
Alternatively, you can download the PDF file directly to your computer, from where it can be opened using a PDF reader. To download the PDF, click the Download link above.