Funding for this research was provided by:
National University of Singapore (R-221-000-107-133)
Text and Data Mining valid from 2019-08-08
Received: 7 February 2019
Accepted: 31 July 2019
First Online: 8 August 2019
Ethics approval and consent to participate
: Ethics approval was obtained from the National Health Group Domain Specific Review Board (DSRB Reference Number: 2017/00223), Singapore. The identity of participants was kept confidential and written consent was obtained prior to all the interviews.
: All Authors provided verbal consent for the publication of manuscript.
: The authors declare that they have no competing interests.