the EORTC Quality of Life Group and the EORTC Head and Neck Cancer Group 2021, ' Methodological approach for determining the Minimal Important Difference and Minimal Important Change scores for the European Organisation for Research and Treatment of Cancer Head and Neck Cancer Module (EORTC QLQ-HN43) exemplified by the Swallowing scale ', Quality of Life Research, vol. 31, no. 3, pp. 841-853 . https://doi.org/10.1007/s11136-021-02939-6 Quality of life research, vol. 31, no. 3, pp. 841-853 Quality of Life Research, 31(3), 841-853. Springer Netherlands Quality of life research. Springer Netherlands