Received: 6 May 2020
Accepted: 10 May 2020
First Online: 23 May 2020
Compliance with ethical standard
: No author or co-author has a conflict of interest in the publication or writing of this article.
: This is a risk-free study, without intervention with patients. With the follow-up of all relevant ethical considerations. Attached to the statement of Declaration of Helsinki of the Association World Medical in its version of the year 2013.
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