Funding for this research was provided by:
International Development Research Centre (IDRC 107125)
Text and Data Mining valid from 2018-07-20
Received: 26 June 2017
Accepted: 9 July 2018
First Online: 20 July 2018
Compliance with Ethical Standards
: Almudena Martínez-Campillo declares that she has no conflict of interest. Mahinda Wijesiri has received a research grant from the “International Development Research Center (IDRC),” Canada. Peter Wanke declares that he has no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.