Dinev, M. et al. 2017. Using Twitter to mine sleep related information from people who declare a diagnosis of a psychotic disorder: IJPDS (2017) Issue 1, Vol 1:349 Proceedings of the IPDLN Conference (August 2016). International Journal of Population Data Science. 1, 1 (Apr. 2017). DOI:https://doi.org/10.23889/ijpds.v1i1.370.