Recommendations for Standardizing Validation Procedures Assessing Physical Activity of Older Persons by Monitoring Body Postures and Movements.
Ulrich LindemannWiebren ZijlstraKamiar AminianSebastien F. M. ChastinEling D. de BruinJorunn L. HelbostadJohannes B. J. BussmannPublished in: Sensors (2014)