Received: 2 July 2018
Accepted: 6 September 2018
First Online: 17 September 2018
Ethics approval and consent to participate
: The study was approved by the Institutional Review Board (approval number: 2-106-05-092) of our institution. All patients provided written informed consent, and all procedures were in accordance with the Declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests.
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