Text and Data Mining valid from 2018-05-22
Received: 16 August 2017
Accepted: 25 April 2018
First Online: 22 May 2018
Ethics approval and consent to participate
: The National Healthcare Group Domain Specific Review Board (NHG DSRB) of Singapore approved the study protocol, and the exemption of the study consent from the study subjects.
: Sanjay H. Chortirmall is a member of the editorial board (Section Editor). All other authors declare that they have no competing interests.
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