Funding for this research was provided by:
Tabriz University of Medical Sciences (TBZMED.1394.1166)
Article History
Received: 23 April 2018
Accepted: 2 July 2018
First Online: 13 July 2018
Authors’ information
: ID is associate professor of Ergonomics and an instructor at Tabriz University of Medical Sciences, Tabriz, Iran, AA is MSc of Ergonomics and MAJ is associate professor of Biostatistics and an instructor at Tabriz University of Medical Sciences, Tabriz, Iran.
: The study was approved by institutional review board of Tabriz university of medical sciences (code: IR.TBZMED.1394.1166). Before any participation, permission was taken from the education department of Tabriz as well as the school authorities involved. Additionally, the parental permission and informed consent for school children was also taken asking for them to contribute in the study. The research was conducted in accordance with the Declaration of the World Medical Association and the Helsinki Declaration on human subjects testing.
: Not applicable.
: The authors declare that they have no competing interests.
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