Received: 13 March 2021
Accepted: 12 June 2021
First Online: 3 July 2021
: This study has been approved by Ethics Committee of Cipto Mangunkusumo Hospital–Faculty of Medicine University of Indonesia (No. KET-991/UN2.F1/ETIK/PPM.00.02/2019). Written informed consent was obtained from a parent or guardian for participants under 16 years old.
: Not applicable.
: The authors declare that they have no competing interests.