Article History
Received: 11 August 2017
Accepted: 13 December 2018
First Online: 5 January 2019
Ethics approval and consent to participate
: The study was approved by Science, Engineering and Computing Ethics Research Committee at Kingston University London (Reference No. 1415/034). In addition, written informed consent was obtained from participants prior the interviews.
: Not applicable.
: The authors declare that they have no competing interests.
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