Vela-Amieva, Marcela http://orcid.org/0000-0001-8230-4611
Alcántara-Ortigoza, Miguel Angel http://orcid.org/0000-0003-0592-8214
González-del Angel, Ariadna http://orcid.org/0000-0002-7096-0969
Belmont-Martínez, Leticia http://orcid.org/0000-0002-3691-3659
López-Candiani, Carlos http://orcid.org/0000-0002-2461-4555
Ibarra-González, Isabel http://orcid.org/0000-0001-8693-8531
Article History
Received: 19 October 2020
Accepted: 17 January 2021
First Online: 26 February 2021
Ethics approval and consent to participate
: This study was approved prior to data collection by the research, biosecurity, and ethics committees of the National Institute of Pediatrics (039/2018).
: All participants provided written consent to participate and have data published in an anonymized form.
: The authors declare no potential conflicts of interest with respect to research, authorship or publication of this work.