Funding for this research was provided by:
Inter-American Development Bank (RG-E1502)
Text and Data Mining valid from 2019-11-26
Received: 14 October 2018
Revised: 8 July 2019
Accepted: 10 July 2019
First Online: 26 November 2019
Compliance with Ethical Standards
: The authors declare that there is no conflict of interest.
: The opinions expressed in this paper are those of the authors and do not necessarily reflect the views of the IDB, IDB Invest, their respective Boards of Directors, or the countries they represent.