Supanitayanon, Sudarat
Trairatvorakul, Pon
Chonchaiya, Weerasak
Article History
Received: 11 September 2019
Revised: 20 November 2019
Accepted: 17 December 2019
First Online: 13 March 2020
Competing interests
: The authors declare no competing interests.
: This study was approved by the Institutional Review Boards of the Faculty of Medicine, Chulalongkorn University (IRB No. 007/58). Participants’ parents provided informed consent.