Funding for this research was provided by:
Paracelsus Medical University
Article History
Received: 6 December 2020
Accepted: 19 December 2020
First Online: 18 January 2021
Change Date: 9 July 2024
Change Type: Clarification
Change Details: Editor's Note: Readers are alerted that the ownership of data reported in this article is currently under dispute. Appropriate editorial action will be taken once this matter is resolved.
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This article does contain studies with human participants performed by the authors but it is a purely observational, retrospective study design without direct intervention.