Funding for this research was provided by:
Ministry of Health -Singapore (SIDI/2013/007)
Text and Data Mining valid from 2018-06-01
Received: 30 November 2017
Accepted: 21 May 2018
First Online: 1 June 2018
Ethics approval and consent to participate
: The trial was granted ethics approval by the Singhealth Centralized Institute Review Board (CIRB) (approval ID 2013/846/E). Written informed consent was obtained from all patients before enrolment into the study.
: The authors declare that they have no competing interests.
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