Udomsilp, Pattarin
Saepoo, Sarawut
Ittiwut, Rungnapa
Shotelersuk, Vorasuk
Dissayabutra, Thasinas
Boonla, Chanchai http://orcid.org/0000-0002-6515-4321
Tosukhowong, Piyaratana
Funding for this research was provided by:
National Research Council of Thailand
90th Anniversary of Chulalongkorn University Fund
Thailand Research Fund
The 72nd Anniversary of his Majesty King Bhumibol Adulyadej scholarship from the graduate school, Chulalongkorn University
Article History
Received: 16 December 2017
Accepted: 2 May 2018
First Online: 17 May 2018
Compliance with ethical standards
:
: Pattarin Udomsilp, Sarawut Saepoo, Rungnapa Ittiwut, Vorasuk Shotelersuk, Thasinas Dissayabutra, Chanchai Boonla and Piyaratana Tosukhowong declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional 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.