@ARTICLE {29523,
author={G. Marques Marques and R.P. Pitarma and N. M.  Garcia and N. Pombo},
doi={10.1109/ACCESS.2018.2886707},
journal={Electronics (Switzerland)},
title={Internet of Things Architectures, Technologies, Applications, Challenges, and Future Directions for Enhanced Living Environments and Healthcare Systems: A Review},
year={2019},
month={September},
volume={8},
number={10},
pages={1-27},
ISSN={2079-9292}
}