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Article History

Received: 6 November 2017

Accepted: 7 March 2018

First Online: 16 April 2018

Ethics approval and consent to participate

: Ethics approval was obtained from the Hamilton Integrated Research Ethics Board at McMaster University, Hamilton, Ontario, Canada. We obtained written consent from all participants in the study.

: We give consent for the publication of this study.

: The authors declare that they have no competing interests.

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