Article History
Received: 1 October 2020
Accepted: 16 November 2020
First Online: 3 January 2021
Compliance with ethical standards
:
: The authors declare that they have no potential conflict of interest.
: The procedures employed to draft this manuscript respect the ethical standards in the Helsinki Declaration of 1975, as revised in 2000, as well as the national law.
: The patients gave approval for the anonymised publication of the case reports.
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