Haller, Heidemarie http://orcid.org/0000-0001-7973-4071
Wang, Taige
Lauche, Romy
Choi, Kyung-Eun
Voiß, Petra
Felber, Sabine
Cramer, Holger
Ataseven, Beyhan
Kümmel, Sherko
Paul, Anna
Dobos, Gustav
Article History
Received: 29 May 2017
Accepted: 15 June 2019
First Online: 4 July 2019
Ethics approval and consent to participate
: The trial protocol has been approved by the ethics committee of the Medical Faculty of the University of Duisburg-Essen, Germany (approval number 14–5953-BO). Before inclusion in the study, all patients have to provide written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.