Zaugg, Mias, Heiner Baur, and Kai‑Uwe Schmitt. 2022. “Applying patient‑reported Outcome Measures (PROMs) in Physiotherapy: An Evaluation Based on the QUALITOUCH Activity Index”. Archives of Physiotherapy 12 (1). https://doi.org/10.1186/s40945-022-00152-3.