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Article History

Received: 5 July 2020

Accepted: 10 September 2020

First Online: 16 September 2020

Compliance with ethical standards

:

: All the authors, their immediate family, and any research foundation with which they are affiliated did not receive any financial payments or other benefits from any commercial entity related to the subject of this article.

: Not applicable.

: Not applicable.

: In light of the Italian law, we are not required to ask for Committee Approval for this type of studies. However, each author certifies that his or her institution has approved the human protocol for this investigation and that all investigations were conducted in conformity with ethical principles of research. The study was performed in accordance with the ethical standards in the 1964 Declaration of Helsinki and was carried out in accordance with relevant regulations of the Italian National Health Care System. All authors certify they not have signed any agreement with a commercial interest related to this study, which would in anyway limit publication of any data generated for the study or to delay publication for any reason.

: Informed consent was obtained from all individual participants included in the study.

: This article does not contain any studies with animals performed by any of the authors.