Aguirre Escobar, Guillermo Alfonso
de Quezada, Ruth Fernández
Escobar de González, Wendy Yesenia
Aguirre de Rodríguez, Katleen Argentina
de Miguel, Ángel Gil
Rivas Cartagena, Francisco José
Article History
Received: 1 March 2022
Accepted: 9 June 2022
First Online: 21 June 2022
Declarations
:
: The study was conducted according to the guidelines of the Declaration of Helsinki and was approved by the National Ethics Committee of El Salvador (protocol code CNEIS2015/033A). The study was explained, and written informed consent was obtained from all subjects or their legal guardians.
: Not applicable.
: The authors declare that they have no competing interests.