Article History
Received: 19 March 2019
Accepted: 19 August 2019
First Online: 7 September 2019
Compliance with ethical standards
:
: Ifeoma Offiah, Suneetha Rachaneni and Anupreet Dua declare that they have no conflict of interest.
: The study was approved by the Audit, Assurance and Effectiveness Department of the University Hospitals Plymouth NHS Trust and performed with Good Ethical Standards. Reference Number: CA_2018-19-184. This department has an ethics committee for the approval of studies on humans.
: Informed consent was obtained from all participants. The references should not be more than 10 years old.