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Authors
Koo, Chieh Yang https://orcid.org/0000-0002-6051-3807
Tai, Bee-Choo
Chan, Dedrick Kok Hong
Tan, Li Ling
Tan, Ker Kan
Lee, Chi-Hang
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Article History
Received: 23 October 2020
Accepted: 11 January 2021
First Online: 21 January 2021
Ethics approval and consent to participate
: This study was approved by the local ethics review board (Domain Specific Review Board-C, National Healthcare Group 2017/00631) which waived the need for patient consent.
: Not applicable.
: The authors declare that they have no competing interests.
