Yap, Jonathan http://orcid.org/0000-0002-5227-8536
Ng, Yixiang
Yeo, Khung Keong
Sahlén, Anders
Lam, Carolyn Su Ping
Lee, Vernon
Ma, Stefan
Article History
Received: 8 November 2018
Accepted: 4 April 2019
First Online: 18 April 2019
Ethics approval and consent to participate
: Ethics approval was obtained from the Singhealth Centralised Institutional Review Board.
: Not applicable
: The authors declare that they have no competing interests.
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