Updates are available Correction dated 2021-02-22
Click to view Correction: https://doi.org/10.1186/s12913-021-06127-7
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Authors
Alfiero, Simona http://orcid.org/0000-0002-9246-6056
Brescia, Valerio http://orcid.org/0000-0001-7919-5370
Bert, Fabrizio http://orcid.org/0000-0002-4329-9028
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Article History
Received: 11 April 2020
Accepted: 13 January 2021
First Online: 20 January 2021
Change Date: 22 February 2021
Change Type: Correction
Change Details: A Correction to this paper has been published:
Change Details: https://doi.org/10.1186/s12913-021-06127-7
Ethics approval and consent to participate
: The manuscript is research paper based on public secondary data based on public platform cited in the text; for this reason, it does not contain primary data of clinical studies or patient data.
: Not applicable.
: None of the authors have any competing interests.
