Schaal, Nora K. http://orcid.org/0000-0002-2458-2661
Fehm, Tanja
Albert, Josefine
Heil, Martin
Pedersen, Anya
Fleisch, Markus
Hepp, Philip
Funding for this research was provided by:
Else Kröner-Fresenius-Stiftung
Article History
Received: 18 June 2018
Accepted: 4 April 2019
First Online: 11 April 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The study was approved by the ethics committee of the Heinrich-Heine-University Düsseldorf in Germany. All procedures performed in this study were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.