Randomized trial of two artificial intelligence coaching interventions to increase physical activity in cancer survivors. - Ahmed Hassoon; Yasmin Baig; Daniel Q. Naiman; David D. Celentano; Dina Lansey; Vered Stearns; Josef Coresh; Jennifer A. Schrack; Seth S. Martin; Hsin-Chieh Yeh; Hadas Zeilberger; Lawrence J. Appel (npj Digit. Medicine, 2021)