Banu, Zafirah
Lim, Ka Keat https://orcid.org/0000-0002-2340-4097
Kwan, Yu Heng
Yap, Kai Zhen
Ang, Hui Ting
Tan, Chuen Seng
Fong, Warren
Thumboo, Julian
Lee, Kheng Hock
Ostbye, Truls
Low, Lian Leng
Article History
Received: 3 April 2018
Accepted: 6 August 2018
First Online: 28 August 2018
Ethics approval and consent to participate
: This study was reviewed and approved by the SingHealth Centralized Institutional Review Board. Written informed consent was obtained for every participant.
: Not applicable.
: The authors declare that they have no competing interests.
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