@article{hallal_2014,  title={Physical activity and health in Brazil: research, surveillance and policies},  volume={30},  ISSN={0102-311X},  url={https://doi.org/10.1590/0102-311XPE011214},  DOI={10.1590/0102-311XPE011214},  number={12},  journal={Cadernos de Saúde Pública},  publisher={Escola Nacional de Saúde Pública Sergio Arouca, Fundação Oswaldo Cruz},  author={Hallal, Pedro C.},  year={2014},  month={Dec},  pages={2487–2489} }