Atmann, Oxana
Linde, Klaus
Werner, Christoph
Dorn, Ulrike
Schneider, Antonius
Article History
Received: 11 September 2018
Accepted: 31 October 2019
First Online: 19 December 2019
Ethics approval and consent to participate
: The study protocol was approved by the Ethical Committee of the Medical Faculty of the Technical University of Munich, Germany (fileĀ 317/17S). Written informed consent was obtained from all participants.
: Not applicable.
: The authors declare that they have no competing interests.