Höller, Julia
Villagomez Fuentes, Linda Elizabeth
Matthias, Klaus
Kreutz, Reinhold
Article History
Received: 20 July 2019
Accepted: 31 October 2019
First Online: 9 November 2019
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: The protocol was in accordance with the 1975 Helsinki Declaration and approved by the Charité ethics committee.
: Informed consent was obtained from all participants before inclusion into the study.