@article{wu2025vocal,
  title={Vocal Prognostic Digital Biomarkers in Monitoring Chronic Heart Failure: A Longitudinal Observational Study},
  author={Wu, Fan and N{\"a}gele, Matthias and Mehta, Darsh and Fleisch, Elgar and Ruschitzka, Frank and Flammer, Andreas and Barata, Filipe},
  note={Preprint}
}