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Article History

Received: 23 February 2018

Accepted: 18 July 2018

First Online: 3 August 2018

Ethics approval and consent to participate

: The study was performed in accordance with the Declaration of Helsinki and the protocol was reviewed and approved by the Institutional Review Board of the hospital. All patients provided signed informed consent.

: Not applicable.

: The authors declare that they have no competing interests.

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