Chow, Chong Man
Ruhl, Holly
Tan, Cin Cin
Ellis, Lilian
Article History
Received: 12 June 2017
Accepted: 22 October 2017
First Online: 9 November 2017
Compliance with ethical standards
:
: On behalf of all authors, the corresponding author states 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.