Funding for this research was provided by:
Pfizer UK
Article History
Received: 21 August 2018
Accepted: 2 April 2019
First Online: 15 April 2019
Ethics approval and consent to participate
: The study was approved by the School of Law and Social Justice Ethical Review Board at the University of Liverpool (Ref: SLSJSTAFF15–1613). Following a process of informed consent, all participating practitioners and service users provided written consent.
: Not applicable.
: The authors declare that they have no competing interests.
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