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Article History

Received: 23 April 2018

Accepted: 29 June 2018

First Online: 26 July 2018

Ethics approval and consent to participate

: Prior to the initiation of the study, the study protocol was approved by the Institutional Review Board of Notre Dame University. Those who agreed to participate were asked to sign an informed consent form. No financial or other incentives were offered.

: Not applicable.

: The authors declare that they have no competing interests.

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