Funding for this research was provided by:
Italian Ministry of Health (GR-2009-1608394)
Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico (Grant Ricerca Corrente Funds)
Received: 19 August 2017
Accepted: 30 January 2018
First Online: 6 February 2018
Ethics approval and consent to participate
: Informed consent was obtained from all patients (or legal guardians for minors) and relatives included in the present study. All procedures were performed in compliance with relevant legislation and institutional guidelines.
: Not applicable.
: The authors declare that they have no competing interests.
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