Received: 9 April 2020
Accepted: 14 July 2020
First Online: 6 October 2020
Ethics approval and consent to participate
: The Newcastle and North Tyneside 1 Research Ethics Committee approved the study (Ref:06/Q0905/2). Informed written consent was obtained from all participants or their consultee (usually a relative or carer) where capacity to consent was assessed as lacking.
: Not applicable.
: The authors declare that they have no competing interests.