Funding for this research was provided by:
Ministero della Salute (GR-2009-1594595)
Text and Data Mining valid from 2019-06-20
Received: 15 March 2019
Accepted: 11 June 2019
First Online: 20 June 2019
Ethics approval and consent to participate
: The local Ethical Committee approved the study (protocol number 3062/2010) and subjects provided their written consensus. All data generated or analysed during this study are included in this published article and its supplementary information files.
: We confirm that all the authors meet the journal’s criteria for authorship. We also confirm that the manuscript has not been published and is not under consideration for publication elsewhere.
: The authors declare that they have no competing interests.