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Article History

Received: 20 April 2018

Accepted: 26 July 2018

First Online: 3 August 2018

Ethics approval and consent to participate

: This study gained ethical approval from the Social Science and International Studies Committee, University of Exeter and NHS REC (Stanmore)/HEA (REC no: 17/LO/0549). Additional ethical approval/governance procedures were also undertaken on request from individual councils.

: No individual is named in this study. Consent forms were signed by all participants.

: The authors declare that they have no competing interests.

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