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Article History

Received: 21 November 2017

Accepted: 2 January 2018

First Online: 26 January 2018

Ethics approval and consent to participate

: Written informed consent related to epidemiological and clinical reports was obtained from all parents of newborns participating in the study. The study was approved by the Ethics Committee of the Medical University of Palermo.

: Not applicable.

: The authors declare that they have no competing interests.

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