Funding for this research was provided by:
Leeds Hospital Charitable Foundation (9R11/1207)
Article History
Received: 6 September 2019
Accepted: 28 November 2019
First Online: 6 December 2019
Compliance with ethical standards
:
: The authors deny any conflicts of interest related to this study.
: Ethical approval from the National Research Ethics Service (NRES) Committee, UK and consent/assent were obtained prior to the start of the study. This study was registered with clinicaltrials.gov (trial identifier: NCT03045185).