Fedkov, Dmytro https://orcid.org/0000-0001-7965-9438
Yevstifeiev, Danylo https://orcid.org/0009-0002-4166-6397
Iaremenko, Oleg https://orcid.org/0000-0003-2095-5819
Koliadenko, Daria https://orcid.org/0000-0002-9562-9367
Petelytska, Liubov https://orcid.org/0000-0001-8330-8681
Peine, Christine https://orcid.org/0000-0001-6500-7180
Lang, Felix https://orcid.org/0000-0001-6102-2674
Khalil, Abdullah https://orcid.org/0009-0003-9969-5462
Kurt, Türker https://orcid.org/0000-0001-9372-1736
Vordenbäumen, Stefan https://orcid.org/0000-0001-5725-5483
Funding for this research was provided by:
European League Against Rheumatism (RMG2024H2-04)
Universitätsklinikum Düsseldorf. Anstalt öffentlichen Rechts
Article History
Received: 6 January 2026
Revised: 27 April 2026
Accepted: 21 May 2026
First Online: 28 May 2026
Declarations
:
: The study was conducted following the ethical principles of the Declaration of Helsinki and Good Clinical Practice guidelines and was approved by the appropriate institutional review boards (Local Ethic Committee of Medical Center Medical Clinic Blagomed LLC), protocol #107/5, dated 13 Aug 2022). Authors fulfilled the ICMJE authorship criteria.
: Digital informed consent was obtained from all patients before the study started.
: We utilized a large language model–based assistant (ChatGPT, OpenAI) solely for language polishing and drafting non-substantive text (e.g., wording of figure legends, responses to reviewers). No AI tool was credited as an author. All AI-suggested text was critically reviewed, revised, and approved by the authors, who take full responsibility for the final manuscript. No patient-level identifiable data were provided to AI tools. Statistical analyses and figures were generated using Python 3.10 (scikit-learn, pandas, matplotlib); AI tools were not used to perform statistical estimation.
: NA.
: DF, FL, AK, and CP are employees and have an equity interest in Midaia GmbH and have no other disclosures to make. Midaia GmbH developed a mobile application used in this study, but did not finance it. DY, DK, LP, OI, TK, SV declare that they have no conflict of interest.