Rina Mandimbiniaina (IMAGE) PeerJ Caption This is Co-author Rina Mandimbiniaina entering data from an interview, looked on by a participating household. Credit © S. Rakotonarivo Usage Restrictions Permission to use with media coverage - please note image credit and include link back to article https://peerj.com/articles/5106/ License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.