Funding for this research was provided by:
University Sains Malaysia (USM) Short Term Grant (304/PPSP/61313161)
Received: 16 July 2018
Accepted: 6 June 2019
First Online: 25 June 2019
Consent for publication
: Before the FGDs were conducted, written consent was received. The consent form was approved by the ethical committee. All of the participants were more than 16 years old; therefore, parental consent was not required.
: The authors declare that they have no competing interests.