Schellartz, Isabell
Ohnhaeuser, Tim
Mettang, Thomas
Scholten, Nadine
Funding for this research was provided by:
Universitätsklinikum Köln
Article History
Received: 21 December 2020
Accepted: 8 March 2021
First Online: 24 March 2021
Declarations
:
: In accordance to good clinical practice and the Declaration of Helsinki, the study got its ethical approval by the ethical committee of the University Hospital of Cologne. Due to the anonymous survey design, the participants gave their informed consent to participate and publish the summarized results by completing and responding to the questionnaire. Participants were informed about this procedure in the written study information.
: Not applicable.
: IS, TO and NS declare that they have no competing interests. TM received a consultant fee from Vifor and a speaker’s honorarium from Fresenius Medical Care, but they did not affect the results.