Kwan, Justin http://orcid.org/0000-0002-2840-6104
Appuhamy, Chinthaka
Lim, Gavin Hock Tai
Huang, Ivan Kuang Hsin
Quek, Lawrence
Pua, Uei
Article History
Received: 27 June 2017
Accepted: 17 March 2018
First Online: 26 March 2018
Compliance with Ethical Standards
:
: All the authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards.