Tangcharoensathien, Viroj
Chanvatik, Sunicha
Kosiyaporn, Hathairat
Kirivan, Supapat
Kaewkhankhaeng, Wanwisa
Thunyahan, Apichart
Lekagul, Angkana
Article History
Received: 6 April 2021
Accepted: 8 November 2021
First Online: 29 November 2021
Declarations
:
: The ethical approval was obtained from the ethics committee of the Institute for the Development of Human Research Protections (Ref.no.IHRP2019057). The study was performed in accordance with the ethical standards of the Declaration of Helsinki (1964) and its subsequent amendments. The informed consent was obtained from all participants including parents of those who aged lower than 16 years old.
: Not applicable.
: The authors declare that they have no competing interests.