Angkananard, Teeranan
Janma, Jirayut
Wannasiri, Thanapath
Sangthong, Piyathida
Changsirikulchai, Siribha http://orcid.org/0000-0002-2958-3823
Funding for this research was provided by:
Faculty of Medicine, Srinakharinwirot University, Thailand
Article History
Received: 18 December 2018
Accepted: 9 June 2019
First Online: 12 July 2019
Ethics approval and consent to participate
: The study was approved by the Institutional Review Board of Ethical Committee, Srinakharinwirot University, Thailand and implemented in accordance with the ethical standards of the 1964 Declaration of Helsinki and its later amendments. All participants in the study were voluntary and gave their written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.