Promising patient experiences with a smartphone app and remote coaching for improving physical activity and protein intake to enhance recovery after oncological surgery: a multi-methods study. - van Westerhuis, C.; de Leeuwerk, M. E.; van der Werf, E. W. J.; Kruizenga, H. M.; de Groot, V.; Geleijn, E.; der Leeden, M. van; van der Schaaf, M. (Supportive Care in Cancer, 2025)