Text and Data Mining valid from 2019-01-01
Received: 6 April 2018
Accepted: 15 December 2018
First Online: 2 January 2019
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: This study was completed as a service audit, approved by the Research and Development Department of the London North West Hospitals NHS Trust.
: For this service audit, formal consent is not required in the United Kingdom.