Funding for this research was provided by:
United States Agency for International Development (5U01GH001003)
Center for Health Studies, Universidad del Valle de Guatemala (Not applicable)
Received: 18 August 2020
Accepted: 3 April 2021
First Online: 14 May 2021
: Oral informed consent was obtained from all participants prior to study inclusion. This study was approved by the Ethics Committee of the Center for Health Studies at Universidad del Valle de Guatemala (Approval Number: 081-06-2013); CDC investigators were not considered to be engaged in human subjects research.
: Not applicable.
: The authors declare that they have no competing interests.