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Article History

Received: 20 November 2017

Accepted: 5 June 2018

First Online: 14 June 2018

Ethics approval and consent to participate

: The approval for the study was received from the Human Subjects Protection Office at the University of Connecticut Health Center on July 3, 2014, as it was determined that the project was exempt from IRB review.

: Consent was obtained from all participants included in the study to publish their individual data.

: The authors declare that they have no competing interests.

: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.