Hong, Wei-Zhen
Haroon, Sabrina
Lau, Titus
Hui, Soh-Heng
Ma, Valerie
Goh, Jing-Xian
Chua, Horng-Ruey http://orcid.org/0000-0003-1379-0585
Article History
Received: 24 January 2019
Accepted: 5 May 2019
First Online: 14 May 2019
Compliance with ethical standards
:
: On behalf of all authors, the corresponding author states that there is no conflict of interest.
: This study was approved by the National Healthcare Group Domain Specific Review Board (NHG-DSRB2016/01,169).
: In view of the retrospective design of the study, the need for informed consent was waived. Data used in this study was de-identified and made anonymous.