Text and Data Mining valid from 2018-07-16
Received: 10 April 2018
Accepted: 27 June 2018
First Online: 16 July 2018
Ethics approval and consent to participate
: NHS National Patient Safety Agency, National Research Ethics Services (NHS NPSA NRES) Tayside (11/ES/0048). We did not seek individual (verbal or written) consent from individuals making written complaints as data was anonymised by complaint department staff. We completed the caldicott /data protection consent form for the relevant site.
: Written or verbal consent to publication was therefore, not obtained.
: The authors declare that they have no competing interests.
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