Funding for this research was provided by:
National Institute for Health Research
Text and Data Mining valid from 2019-09-11
Received: 25 April 2019
Accepted: 8 August 2019
First Online: 11 September 2019
Ethics approval and consent to participate
: The Medicines and Healthcare Products Regulatory Agency confirmed this was not a trial of an investigative medicinal product and ethical approval was granted by the Camden & Islington Research Ethics Committee (10/H0722/40), trial registration: ISRCTN79066838. In line with the Mental Capacity Act 2005 for persons who lack capacity, agreement was sought from a personal or professional consultee. Retrospective consent was gained once a patient regained capacity.
: The authors declare that they have no competing interests.