Text and Data Mining valid from 2020-01-28
Received: 9 January 2019
Accepted: 14 January 2020
First Online: 28 January 2020
Ethics approval and consent to participate
: This study was approved by Singhealth Centralised Institutional Review Board (CIRB Ref: 2016/3162). After queries on the study were addressed, verbal consent was obtained from each patient (including consent for findings of the study to be published) in a private room where the questionnaire survey was conducted. A participant information sheet was provided for all participants.
: Not applicable.
: The authors declare that they have no competing interests.