Received: 17 September 2018
Accepted: 26 December 2018
First Online: 7 January 2019
Ethics approval and consent to participate
: This study was approved by the Ethical Committee of the University Teaching Hospital “Policlinico-Vittorio Emanuele”, Catania, Italy: trial registration number 49/2015/PO (Register of the Ethics Committee opinions). All the participants in the study signed an informed consent to publish their medical information.
: All the participants in the study signed an informed consentto publish.
: The authors declare that there are no conflicts of interest regarding the publication of this study. All authors do not have financial competing interests.
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