Wee, Liang En http://orcid.org/0000-0001-6428-9999
Sundarajoo, Mangaikarasi
Quah, Way-Fang
Farhati, Ahmad
Huang, Jie-ying
Chua, Ying-Ying
Article History
Received: 3 September 2018
Accepted: 6 November 2018
First Online: 14 November 2018
Compliance with ethical standards
:
: The authors declare that there is no conflict of interest.
: This study involved human participants and was approved by the Singhealth Institutional Review Board (IRB) (approval number: CIRB 2014/151/F). Approval for retrospective analysis of patient data was obtained from the Singhealth IRB.
: Waiver of informed consent for retrospective analysis of patient data was obtained from the Singhealth IRB.