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Supplemental Information

Data: tables and figure

This file includes the detailed statistical data which resulted from the purpossive sampling survey.

DOI: 10.7287/peerj.preprints.1118v1/supp-1

Additional Information

Competing Interests

The authors declare that they have no competing interests.

Author Contributions

Ayad M Al-Moslih conceived and designed the experiments, performed the experiments, analyzed the data, contributed reagents/materials/analysis tools, wrote the paper, prepared figures and/or tables.

Erik Driessen reviewed drafts of the paper, supervised and provided ongoing review of the project.

Human Ethics

The following information was supplied relating to ethical approvals (i.e., approving body and any reference numbers):

An approval letter was granted by the College of Medicine, University of Sharjah.


This work was self-funded by the corresponding author.

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