Lim, Ching Wei
Cheng, Jun
Tay, Elton Lik Tong
Teo, Hwei Yee
Wong, Elizabeth Poh Ying
Yong, Vernon Khet Yau
Lim, Boon Ang
Hee, Owen Kim
Wong, Hon Tym
Yip, Leonard Wei Leon http://orcid.org/0000-0002-7306-5126
Article History
Received: 26 March 2018
Accepted: 16 November 2018
First Online: 10 December 2018
Ethics approval and consent to participate
: This study was approved by The Institutional Review Board of the National Healthcare Group, Singapore. Written informed consent was obtained prior to enrollment according to the tenets of the Declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.