Ng, Tat Ming http://orcid.org/0000-0002-4570-3266
Tan, Sock Hoon
Heng, Shi Thong
Tay, Hui Lin
Yap, Min Yi
Chua, Boon Hou
Teng, Christine B.
Lye, David C.
Lee, Tau Hong
Article History
Received: 23 October 2020
Accepted: 21 January 2021
First Online: 3 February 2021
Ethics approval and consent to participate
: The study was approved by local institutional review board (DSRB reference: 2015/00015, 2017/01012, 2019/00768, 2020/01045).
: Not applicable.
: The authors declare that they have no competing interests.