Sirivichayakul, Chukiat https://orcid.org/0000-0002-6889-2960
Limkittikul, Kriengsak
Chanthavanich, Pornthep
Yoksan, Sutee
Ratchatatat, Anuttarasakdi
Lim, Jacqueline Kyungah
Arunsodsai, Watcharee
Sabchareon, Arunee
Article History
Received: 8 March 2019
Accepted: 6 September 2019
First Online: 29 October 2019
Ethics approval and consent to participate
: The major study protocol was approved by the Ethical Review Committee for Research in Human Subjects, Thai Ministry of Public Health (Reference number 140/2547). The informed consents were obtained from each subject’s parent.
: Not applicable.
: The authors declare that they have no competing interests.