Text and Data Mining valid from 2018-01-22
Received: 23 October 2017
Accepted: 10 January 2018
First Online: 22 January 2018
Ethics approval and consent to participate
: Patient data was used in this project in the form of retrospectively reconstructed image datasets. This practice does not require informed consent at Oxford University Hospitals nor was specific ethics approval required.
: Not applicable.
: The authors declare that they have no competing interests.
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