Jonglertmontree, Woraluk
Kaewboonchoo, Orawan
Morioka, Ikuharu
Boonyamalik, Plernpit
Funding for this research was provided by:
National Research Council of Thailand (PHD/0186/2560, PHD/0186/2560)
Thailand Science Research and Innovation (PHD/0186/2560, PHD/0186/2560)
Article History
Received: 7 July 2022
Accepted: 21 February 2023
First Online: 13 March 2023
Declarations
:
: The study was approved by the Ethics Committee for Human Research of the Faculty of Public Health, Mahidol University, Thailand (No. MUPH 2020 − 150 and protocol No. 120/2563). All procedures were performed in accordance with the Declaration of Helsinki. Written informed consent was obtained from all participants after they had been informed of the objectives, benefits, data collecting method and confidentiality agreement. Participants were right to withdraw from the study at any stage. No data in the questionnaires were traced back to any individual or shipping company to keep confidentiality.
: Consent for publication is not applicable.
: The authors declare that they have no competing interests.