@article{article, title = {{Unsupervised machine learning to investigate trajectory patterns of COVID-19 symptoms and physical activity measured via the MyHeart Counts App and smart devices}}, publisher = {{Springer Science and Business Media LLC}}, url = {{http://dx.doi.org/10.1038/s41746-023-00974-w }}, year = {{2023}}, month = {{12}}, author = {{Gupta V and Kariotis S and Rajab MD and Errington N and Alhathli E and Jammeh E and Brook M and Meardon N and Collini P and Cole J and Wild JM et al}}, doi = {{10.1038/s41746-023-00974-w}}, volume = {{6}}, journal = {{npj Digital Medicine}}, issue = {{1}}, note = {{Accessed on 2025/05/31}}}