Funding for this research was provided by:
Charité - Universitätsmedizin Berlin
Article History
Accepted: 22 May 2021
First Online: 3 July 2021
Compliance with Ethical Standards
:
: Dr. Katharina Ziegeler has received research funding from the Assessment of Spondyloarthritis international society (ASAS). Drs. Kay-Geert Hermann and Torsten Diekhoff declare they have no conflict of interest.
: This article does not contain any studies with human or animal subjects performed by any of the authors.