Funding for this research was provided by:
Charité - Universitätsmedizin Berlin
Article History
Received: 28 May 2021
Accepted: 12 December 2021
First Online: 4 January 2022
Declarations
:
: The authors declare no conflicts of interest associated with this manuscript. The sponsors were neither involved in study design, data collection nor publication.
: All participants provided informed consent, the study protocol was approved by the ethics commission of the Charité in Berlin prior to recruitment (April 25, 2017, EA4/040/17).
: All consenting participants were asked to provide a set of questionnaires.