Document is current

Article History

Received: 20 March 2018

Accepted: 28 June 2018

First Online: 18 July 2018

Ethics approval and consent to participate

: Ethical approval was obtained from the University of Hertfordshire Health and Human Sciences Ethics Committee with delegated authority (ECDA), reference number HSK/SF/UH/02387. Written informed consent was obtained from all participants.

: NA

: All authors have completed the ICMJE uniform disclosure form at ExternalRef removed and declare: all authors had financial support from National Institute for Health Research (NIHR) HS&DR for the submitted work, Rait is a member of the HTA Commissioning Board, HTA Methods Group and Panel, Goodman is an NIHR Senior Investigator. Goodman and Manthorpe are Trustees of the Order of St John Care Trust, Manthorpe is Chair of the NIHR Policy Research Programme Board, and Durand reports personal fees from EBSCO Health and ACCESS Community Health Network outside the submitted work. There are no other financial relationships with any organisations that might have an interest in the submitted work in the previous three years.

: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.