Funding for this research was provided by:
The Innovation Fund of the Federal Joint Committe (01NVF17016)
Received: 20 December 2020
Accepted: 25 March 2021
First Online: 20 April 2021
: The OSCAR was approved by the ethics committees at Charité – Universitätsmedizin Berlin (EA2/192/17) and the Medical Association of North Rhine (2017429). The participants were enrolled in the study after providing written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.