Funding for this research was provided by:
National Medical Research Council (NMRC/CIRG/1390/2014, NMRC/CG/NUHS/2010)
National Medical Research Council (SG) (NMRC/CG/013/2013)
Biomedical Research Council Singapore (BMRC 04/1/36/372)
Ministry of Health -Singapore (SG) (Duke-NUS Medical School Signature Research Program)
Text and Data Mining valid from 2018-08-18
Received: 21 March 2018
Accepted: 23 July 2018
First Online: 18 August 2018
Ethics approval and consent to participate
: This study was conducted in accordance with the Declaration of Helsinki, and written informed consent was obtained from both the patients and the patients’ caregivers. Ethics approval was granted by the National Healthcare Group Review Board of Singapore (NUHS1288/2010).
: Not applicable.
: The authors declare that they have no competing interests.
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