@misc{indiciae591caf16e835,
  title = {Physical activity assessment with accelerometers.},
  author = {K R Westerterp},
  year = {1999},
  doi = {10.1038/sj.ijo.0800883},
  url = {https://pubmed.ncbi.nlm.nih.gov/10368002/},
  note = {Source identifier: 10368002}
}