Text and Data Mining valid from 2019-05-03
Received: 23 October 2018
Accepted: 11 April 2019
First Online: 3 May 2019
Ethics approval and consent to participate
: Study was approved by Yale University Human Investigations Committee (approval number 1401013228). As this was a cross-sectional study based on review of medical records only, informed consent for participants was waived by the committee.
: Not applicable.
: The authors declare that they have no competing interests.
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