Funding for this research was provided by:
Received: 15 July 2020
Accepted: 7 October 2020
First Online: 15 October 2020
Ethics approval and consent to participate
: Trial registration was done and approved by ExternalRef removed. Clinical trial registration number: NCT03460405. Registered 9th March 2018. URL: ExternalRef removedThis trial was also registered and approved by the Ethics Committee of Universitas Indonesia <i>with reference number</i> 0276/UN2.F1/ETIK/2018 <i>as well as</i> Indonesian Trial registry with registry number INA-35ST1PS.All parents of subjects were given an explanation of the trial as well as their rights and responsibilities as subjects, after which they signed an informed consent form.
: Not applicable.
: This study was funded by PT Bio Farma, Indonesia. Data analysis and interpretation was solely done by investigators and the funding body was not involved in this process. The authors declare that they have no competing interests.