@ARTICLE{9239355, author={M. {Hammad} and A. M. {Iliyasu} and A. {Subasi} and E. S. L. {Ho} and A. A. A. {El-Latif}}, journal={IEEE Transactions on Instrumentation and Measurement}, title={A Multi-tier Deep Learning Model for Arrhythmia Detection}, year={2020}, volume={}, number={}, pages={1-1}, doi={10.1109/TIM.2020.3033072}}