Recommendations for determining the validity of consumer wearable and smartphone step count: expert statement and checklist of the INTERLIVE network
William Johnston, Pedro B Judice, Pablo Molina García, Jan M Mühlen, Esben Lykke Skovgaard, Julie Stang, Moritz Schumann, Shulin Cheng, Wilhelm Bloch, Jan Christian Brønd, Ulf Ekelund, Anders Grøntved, Brian Caulfield, Francisco B Ortega, Luis B Sardinha
British Journal of Sports Medicine Jul 2021, 55 (14) 780-793; DOI: 10.1136/bjsports-2020-103147