Text and Data Mining valid from 2019-05-31
Received: 9 March 2019
Accepted: 17 May 2019
First Online: 31 May 2019
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: This study has been approved by the Institutional Review Board (IRB) of the Capital Academy of Pediatrics.
: The written informed consent was obtained from the guardians for the participation of infants and to acquire photographs. Before inclusion in the study, the investigator provided the volunteers with all the information about the study. When the parents/guardians of infants give them consent, them and the investigator signed and dated the consent form.