Rigante, Donato http://orcid.org/0000-0001-7032-7779
Article History
Received: 4 January 2021
Accepted: 2 February 2021
First Online: 13 February 2021
Compliance with ethical standard
:
: The author declares that he has no conflict of interest.
: The letter was prepared following the Declaration of Helsinki Ethical Principles for Medical Research Involving Human Subjects, adopted by the 18th World Medical Assembly, Helsinki, Finland, June 1964, and as amended most recently by the 64th World Medical Assembly, Fontaleza, Brazil, October 2013.
: Written informed consent was not required, since the paper has no data obtained from patients.
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