Funding for this research was provided by:
Bill & Melinda Gates Foundation (OPP1144)
Received: 20 April 2020
Accepted: 4 August 2020
First Online: 10 August 2020
Ethics approval and consent to participate
: Ethics approval for the study and larger trial was granted by the University of Cambridge Psychology Research Ethics Committee (reference number PRE.2015.108) and Universitas Gadjah Mada (reference number 1237/SD/PL.03.07/IV/2016). Trial insurance further covers investigators and research participants (University of Cambridge Trial Insurance reference number 609/M/C/1510). Permission to conduct research at the Province of Yogyakarta including its all five districts was obtained from the Provincial Government Office (reference number 070/REG/V/625/5/2016). Additional permits were also obtained from each of the five districts. Ethics approval from individual clinics (<i>Puskesmas</i>) were not required as all clinics are funded and managed by district governments. The trial which this study was embedded in has been registered with clinicaltrials.gov since 25 February 2016, NCT02700490. Written consent from each participant was captured. The authors assert that all procedures contributing to this work comply with the ethical standards of the relevant national and institutional committees on human experimentation and with the Helsinki Declaration of 1975, as revised in 2008.
: Not Applicable.
: The authors declare that they have no competing interests.