Text and Data Mining valid from 2018-08-06
Received: 25 April 2018
Accepted: 26 July 2018
First Online: 6 August 2018
Ethics approval and consent to participate
: This study was approved by the University of North Carolina’s Institutional Review Board, under IRB 07–0352. Participants in the STARxProgram provided informed written consent for the use of their medical records for study purposes.
: Not applicable.
: The authors declare that they have no competing interests.
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