Abdullah, Hairil Rizal
Ranjakunalan, Niresh
Yeo, William
Tan, Mann Hong
Poopalalingam, Ruban
Sim, Yilin Eileen
Funding for this research was provided by:
Singapore General Hospital Department of Anesthesiology
Article History
Accepted: 4 September 2018
First Online: 10 September 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: As this is a retrospective study that did not involve any patient contact, waiver of formal consent is approved by our institutional review board (Singhealth Centralised Institutional Review Board).