Received: 19 February 2018
Accepted: 10 June 2018
First Online: 1 August 2018
Ethics approval and consent to participate
: Authorisation for the study was given by the Mater Dei Hospital Data Protection Committee according to the local Data Protection Act on 25Superscript removed February 2013. The need for ethics approval was waived. All participants gave informed consent prior to each interview.
: Not applicable.
: The authors declare that they have no competing interests.
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