Ling, KietPhang
Bastion, Mae-Lynn Catherine
Article History
Received: 13 April 2017
Accepted: 30 November 2018
First Online: 7 December 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The study was conducted in accordance with the principles of the Declaration of Helsinki. The approval from Research and Ethics Committee, Faculty of Medicine, University Kebangsaan Malaysia and Ministry of Health Malaysia, was obtained (Project code: FF-245-2010). The purpose of the study was explained to the patients in detail. Written consent was obtained from patients at study entry.