Funding for this research was provided by:
Mahidol University Research Grant (IRN60W0004)
Thailand Research Fund (IRG5980006)
Article History
Received: 2 January 2019
Accepted: 30 June 2019
First Online: 4 July 2019
Compliance with ethical standards
:
: All authors declare no personal or professional conflicts of interest, and no financial support from the companies that produce and/or distribute the drugs, devices, or materials described in this report.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research ethics committee (Siriraj Institutional Review Board COA No. Si 012/2008) and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. Written informed consent was obtained from all participants.