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DECLARATIONS
Authors’ contributions
Wrote the manuscript and invented the stent prosthesis: Lutter G
Drafted the manuscript and substantially revised it: Frank D, Hansen JH, Cremer J
Contributed tot he conception and design of the studies and performed data analysis and interpretation oft
he data, they drafted the manuscript and substantially revised it: Liu Y, Haneya A, Puehler T

Availability of data and materials
Not applicable.

Financial support and sponsorship
These projects were supported by the German Research Foundation (DFG) and the German Centre for
Cardiovascular Research (DZHK).

Conflicts of interest
Prof. Georg Lutter and Prof. Derk Frank: consultants to Abbott, Edwards and Medtronic. All other authors
have nothing to disclose.

Ethical approval and consent to participate
Not applicable.

Consent for publication
Not applicable.

Copyright
© The Author(s) 2020.

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