Article History
Received: 24 June 2020
Revised: 12 August 2020
Accepted: 31 August 2020
First Online: 17 September 2020
Compliance with ethical standards
:
: The scientific guarantor of this publication is Professor Guy Frija.
: The authors of this manuscript declare no relationships with any companies, whose products or services may be related to the subject matter of the article.
: No complex statistical methods were necessary for this paper.
: Written informed consent was not required for this study because it was a survey and all institutions’ representatives agreed to participate in the survey.
: Institutional Review Board approval was not required because it was a survey and all institutions representatives agreed to participate in the survey.
: • Observational multicenter study based on a survey
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