Received: 11 February 2021
Accepted: 24 June 2021
First Online: 4 July 2021
: This research has obtained ethical permission from the ethics commission in the Public Health Faculty Universitas Indonesia register number 538/UN2.F10.D11/PPM.00.02/2020.The authors confirm that all methods were carried out in accordance with relevant guidelines and regulations.Informed consent to participate was obtained from all participants and parents of participants and for the participants under 18 years of age, online informed consent was obtained from their parents.
: The authors declare that there are no conflicts of interest regarding this article or research.
: Not applicable.