@inproceedings{mentalhealthsurveillanceoversocialmedia,
  title = {Mental Health Surveillance over Social Media with Digital Cohorts},
  author = {Silvio Amir and Mark Dredze and John W. Ayers},
  year = {2019},
  booktitle = {WS 2019 6},
  url = {https://aclanthology.org/W19-3013},
}