Received: 8 March 2021
Accepted: 20 July 2021
First Online: 4 August 2021
: This study was approved by the institutional review board of Universidad San Francisco de Quito (USFQ) (CODE 2018-217E) and conducted in accordance with the Declaration of Helsinki. All participants provided written informed consent.
: Written informed consent for publication was obtained from the participant’s legal guardian
: The authors declare that they have no competing interests