Funding for this research was provided by:
Fondazione della comunità di Monza e Brianza onlus (Bando 2013.6 assistenza sociale)
Received: 29 November 2017
Accepted: 12 December 2018
First Online: 27 December 2018
Ethics approval and consent to participate
: The project was approved by the Ethics Committee of the University of Milano-Bicocca. All the participants gave their written informed consent to participate in the study.
: Not applicable.
: The authors declare that they have no competing interests.
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