Funding for this research was provided by:
Collaboration for Leadership in Applied Health Research and Care - Greater Manchester (not applicable)
Maudsley Charity (not applicable)
Received: 27 November 2019
Accepted: 26 November 2020
First Online: 5 December 2020
Ethics approval and consent to participate
: Was obtained from King’s College London, ref.: LRS14/150477. Participants gave written consent to participate.
: Participants gave consent for the results of the focus groups to be published.
: The authors declare that they have no competing interests.