Chan, Lester W. M.
,
Gardner, Antony W.
Wong, Merng Koon
Chua, Kenon
Kwek, Ernest B. K.
Article History
Received: 8 September 2017
First Online: 12 March 2018
Compliance with ethical standards
:
: The authors have no sources of funding to declare.
: All authors declare that they have no conflict of interest.
: For this type of study formal consent is not required. This article does not contain any studies with human participants or animals performed by any of the authors.
: Not required.