@article{astandardizedframeworkforriskbased,
  title = {A standardized framework for risk-based assessment of treatment effect heterogeneity in observational healthcare databases},
  author = {Alexandros Rekkas and David van Klaveren and Patrick B. Ryan and Ewout W. Steyerberg and David M. Kent and Peter R. Rijnbeek},
  year = {2020},
  eprint = {2010.06430},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2010.06430v2},
}