Prasitsiriphon, Orawan http://orcid.org/0000-0001-6891-7040
Weber, Daniela
Article History
Received: 9 May 2018
Accepted: 26 February 2019
First Online: 5 March 2019
Ethics approval and consent to participate
: Ethical approval was provided by the Ethical Review Committee for Research in Human Subjects of the Thai Ministry of Public Health. None of the authors had access to information that would enable the identification of individual participants. Participants provided written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.