Funding for this research was provided by:
Thai Physical Activity Research Center –PARC, Thai Health Promotion Foundation
Article History
Received: 1 June 2016
Accepted: 4 May 2017
First Online: 22 May 2017
Compliance with ethical standards
:
: The authors had no conflict of interest and nothing to disclose.
: Before commencement of the study, ethical approval was granted from the Human Research Ethics Committee (HREC), Mahidol University. All procedures performed in this study 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.