Funding for this research was provided by:
Ministero della Salute (NET-2011-02346784)
Text and Data Mining valid from 2019-02-23
Received: 11 October 2018
Accepted: 10 February 2019
First Online: 23 February 2019
Ethics approval and consent to participate
: This retrospective study was approved by the San Raffaele Hospital and Brescia Ethical Committees. Informed consent was obtained from each subject or relatives; the protocols conformed to the Ethical standards of the declaration of Helsinki for protection of human subjects.
: The authors declare that they have no competing interests.
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