Funding for this research was provided by:
Bill and Melinda Gates Foundation (OPP1169555)
Universidad de Antioquia
Foundation for innovative diagnosis
Received: 18 December 2019
Accepted: 16 July 2020
First Online: 31 July 2020
Ethics approval and consent to participate
: All study participants provided a written informed consent or informed assent (in the case of minor pregnant women under 18 years old) to participate in the study. The study protocol and documents were reviewed and approved by the ethics committee of Medical Faculty-Universidad de Antioquia (Record 010 of 22-05-2017). Additional consent was also obtained for future use of biological samples. For women younger than 18 years old, additional written approval from the parent or legal guardian was required.
: No applicable.
: All authors: No reported conflicts of interest.