Chirdkiatisak, Maenum
Sranacharoenpong, Kitti http://orcid.org/0000-0001-5375-8358
Churak, Piyanit
Praditsorn, Panrawee
Funding for this research was provided by:
The Nestlé Foundation in Switzerland.
Article History
Received: 29 May 2018
Accepted: 2 October 2018
First Online: 15 October 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: Ethical consideration of this study was sent for approval by the Chiang Mai Public Health Office Institutional Review Board, Ministry of Public Health, Thailand. All the respondents signed an informed consent form.