Eichler, Sarah
Völler, Heinz
Reibis, Rona
Wegscheider, Karl
Butter, Christian
Harnath, Axel
Salzwedel, Annett
Article History
Received: 1 August 2019
Accepted: 29 March 2020
First Online: 6 April 2020
Ethics approval and consent to participate
: The study protocol was approved by the ethics committee of the University of Potsdam (No. 35/2013). All patients gave their written consent to participate in the investigation. Data protection rules were closely observed and patient data were processed anonymously.
: Not applicable.
: The author reports no conflicts of interest in this work.