Song, Yi Lin http://orcid.org/0000-0003-2699-9337
Yap, Adrian U-jin
Article History
Received: 12 February 2019
Accepted: 28 June 2019
First Online: 4 July 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This research was approved by the SingHealth Centralized Institutional Review Board (CIRB Ref 2016/2232).
: There is implied consent when participants logged on to fill up the online questionnaires.