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Article History

Received: 10 January 2023

Accepted: 20 February 2023

First Online: 23 March 2023

Declarations

:

: The local ethics committees at each study site have approved this study protocol (Bochum: Ethics Committee of the Medical Faculty of the Ruhr University Bochum [approval # 22–7498], Cottbus - Senftenberg: Ethics Committee of the Brandenburg University of Technology Cottbus - Senftenberg [approval # EK2022–14], Tübingen: Ethics Committee of the Medical Faculty of the Eberhard-Karls-University and the University Hospital Tübingen [approval # 386/2022BO2]. All procedures in this study involving human participants are in accordance with the 1964 Helsinki declaration and its later amendments. Substantial amendments to the protocol are submitted for approval to the ethical committees and communicated to the trial registry. Written informed consent for study participation is obtained from assessors at their first visit at the study site, physiotherapy practice or participants’ home prior to study inclusion and baseline assessment (see Additional file InternalRef removed).

: All subjects gave informed consent for publication of identifying information/images.

: The authors declare no competing interests.