TY - RPRT TI - Number of days required to estimate objectively measured physical activity constructs in different age groups AU - Ricardo, L. AU - Wendt, A. AU - Galliano, L. AU - de Andrade Muller, W. AU - Nino Cruz, G. AU - C. Wehrmeister, F. AU - Brage, S. AU - Ekelund, U. AU - Crochemore M Silva, I. PY - 2019 DO - 10.1101/610030 UR - https://www.biorxiv.org/content/10.1101/610030v1 ID - 10.1101/610030 ER -