Cetinkaya, Ayse
Ganchewa, Natalia
Hein, Stefan
Bramlage, Karin
Bramlage, Peter http://orcid.org/0000-0003-4970-2110
Schönburg, Markus
Richter, Manfred
Funding for this research was provided by:
Edwards Lifesciences (n.a.)
Article History
Received: 26 May 2020
Accepted: 20 July 2020
First Online: 4 August 2020
Ethics approval and consent to participate
: The study was approved by the site’s ethical committee and complied with the Declaration of Helsinki and its amendments. Given the use of anonymised data already collected as part of routine diagnosis and treatment, written informed consent was not required.
: Not applicable.
: Peter Bramlage received research funding from Edwards Lifesciences unrelated to the present work. The other authors have no conflict of interest to disclose.