Using Free-Living Heart Rate Data as an Objective Method to Assess Physical Activity: A Scoping Review and Recommendations by the INTERLIVE-Network Targeting Consumer Wearables. - Schumann M; Feuerbacher JF; Heinrich L; Olvera-Rojas M; Sclafani A; Brønd JC; Grøntved A; Caulfield B; Ekelund U; Bloch W; Cheng S; Sardinha LB; et al. (Sports medicine (Auckland, N.Z.), 2025)