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Article History

Received: 8 March 2018

Accepted: 22 June 2018

First Online: 28 June 2018

Ethics approval and consent to participate

: Data was collected as part of routine post-operative follow-up, and all patients provided informed consent for the use of their data for research purposes. The institutional review board approval was therefore not required for this study.

: Not applicable.

: The authors declare that they have no competing interests.

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