Knight, Helen C. http://orcid.org/0000-0003-0120-6281
Smith, Daniel T.
Knight, David C.
Ellison, Amanda
Article History
Received: 3 November 2017
Accepted: 24 July 2018
First Online: 18 August 2018
Compliance with ethical standards
: All participants gave their informed consent with the approval of Durham University Ethics Advisory Committee and were provided with university course credits for their time.