Article History
Received: 27 November 2017
Accepted: 6 March 2018
First Online: 13 March 2018
Ethics approval and consent to participate
: This study obtained approval from the institutional review board (IRB no. 2017-01-033) to review and publish information obtained from patient records. The need for informed consent was waived because patient information was anonymized and de-identified prior to analysis.
: Not applicable.
: The authors declare that they have no competing interests.
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