Published on in Vol 21, No 1 (2019): January
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/10179, first published
.
1 United Nations International Children's Emergency Fund (UNICEF), New York, NY, United States
2 ISI Foundation, Torino, Italy
3 The Governance Lab, New York University, New York, NY, United States
4 Microsoft Research, Herzeliya, Israel