Comment on "Should we reframe how we think about physical activity and sedentary behavior measurement? Validity and

Caroline B Terwee1, L B Mokkink2, L M Hidding3

  • 1Department of Epidemiology and Biostatistics and the EMGO Institute for Health and Care Research, VU University Medical Center, F-building MedFac, P.O. box 7057, 1007 MB, Amsterdam, The Netherlands. cb.terwee@vumc.nl.