Received: 27 July 2019
Accepted: 6 March 2020
First Online: 29 March 2020
Compliance with ethical standards
: The authors declare that they have no competing interests.
: This research was approved by the Faculty of Life Sciences Ethics Committee at the University of Chester (Ref No. 1010/15/ND/SES) and conformed to the principles of outlined in the Declaration of Helsinki.
: Written consent was obtained from all participants.