Funding for this research was provided by:
University of Manchester
First Online: 21 May 2018
Compliance with Ethical Standards
: This study was given approval by the University of Derby Ethics Committee and has therefore been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments. All participants gave their informed consent via an online consent form prior to taking part in the study.
: The authors declare that they have no conflict of interest.