Tan, Vanessa Xue-Ling
Simmonds, Janette Graetz
Article History
Received: 20 August 2017
Accepted: 19 June 2018
First Online: 28 June 2018
Compliance with Ethical Standards
:
: The authors declare that there is 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 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.