Funding for this research was provided by:
Text and Data Mining valid from 2018-07-10
Received: 27 June 2017
Accepted: 29 May 2018
First Online: 10 July 2018
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: Some of the authors of this paper have editorial roles with BMC Medical Ethics:JI, RH: Section editors.LF, KB, JS, MdV: Associate editors.
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