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Authors
Khoo, Benjamin Zhi En
Lim, Regina Shaoying
See, Yong Pey
Yeo, See Cheng
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Article History
Received: 28 December 2020
Accepted: 12 April 2021
First Online: 20 April 2021
Declarations
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: This study was approved by the National Healthcare Group Institutional Review Board and a waiver of informed consent was obtained. The research was performed in accordance with local regulations and the Declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests.
