Bausch, Kathrin
Motzer, Jürg
Roth, Jan A.
Dangel, Marc
Seifert, Hans-Helge http://orcid.org/0000-0003-1443-9316
Widmer, Andreas F.
Article History
Received: 25 June 2019
Accepted: 20 September 2019
First Online: 1 October 2019
Compliance with ethical standards
:
: All authors have no financial and/or personal relationships with other people or organisations that could have inappropriately influenced their work. The authors declared that there were no conflicts of interest.
: The Ethics Committee of Northwestern and Central Switzerland approved our study protocol, waiving individual informed consent (No. 2018-01539). The study has been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki. We adhered to the ‘Strengthening the Reporting of Observational.
: Due to the retrospective nature of the study, patients were not asked for individual informed consent. At University Hospital Basel, patients are asked to sign a general informed consent form for the further use of healthcare data. If patients declined this general informed consent, they were withdrawn from study participation. This procedure was approved by the Ethics Committee of Northwestern and Central Switzerland (No. 2018-01539).