Darcy Ummels

Chapter 5 The validation of a pocket worn activity tracker for step count and physical behavior in older adults during simulated activities of daily living Darcy Ummels*, Wouter Bijnens*, Jos Aarts, Kenneth Meijer, Anna J. Beurskens, and Emmylou Beekman Gerontology & Geriatric Medicine 2020;6:1 ‐ 11