Received: 8 August 2019
Accepted: 18 October 2020
First Online: 22 October 2020
Ethics approval and consent to participate
: This research project, HIM/2013/019/SSA.1141, was approved by the Research, Ethics and Biosafety Commission [Comisiones de Investigación, Ética y Bioseguridad] of the Hospital Infantil de México Federico Gómez National Institute of Health. All participants signed an informed consent form.
: Consent to publish this study was provided, and all participants signed an informed consent form.
: The authors declare that they have no competing interests.