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Authors
Barello, Serena
Castiglioni, Cinzia
Bonanomi, Andrea
Graffigna, Guendalina
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Article History
Received: 10 January 2019
Accepted: 3 October 2019
First Online: 27 November 2019
Ethics approval and consent to participate
: Written informed consent was obtained from participants involved in the different phases of the study and all information was kept confidential. The Ethical Committee of the Catholic University of Milan provided ethical approval.
: Not applicable.
: The authors declare that they have no competing interests.
