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Authors
Alfano, Gaetano https://orcid.org/0000-0003-0591-8622
Guaraldi, Giovanni
Fontana, Francesco
Bellasi, Antonio
Cappelli, Gianni
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Article History
Received: 2 November 2019
Accepted: 2 January 2020
First Online: 4 February 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: This article does not contain any studies with human participants or animals performed by any of the authors.
: Informed consent is not applicable because this study is a review.
