Received: 18 July 2018
Accepted: 4 November 2018
First Online: 29 November 2018
Ethics approval and consent to participate
: Institutional review board approval was obtained at the Roswell Park Comprehensive Cancer Center (I 223812). ClinicalTrials.gov identifying number NCT01781741. All patients provided written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.
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