Funding for this research was provided by:
FP7 Project BioCog (GA 602461)
H2020 project PANDORA (GA 671881)
Italian MIUR Flagship Project InterOmics and Cluster Project Medintech
Received: 25 November 2017
Accepted: 22 January 2018
First Online: 8 February 2018
Ethics approval and consent to participate
: Ethics approval: informed consent was obtained from all the subjects and the study was approved by the Ethical Committee of the Azienda Ospedaliera Universitaria Pisana (protocol 3661/2012).Consent to participate: not applicable
: The authors declare that they have no competing interests.
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