To cite package ‘CohortSymmetry’ in publications use:

  Chen X, Stanford T, Raventós B, Pratt N, Burn E, Català M, Newby D,
  Mercadé-Besora N, Du M, Guo Y, Lopez K, Alcalde-Herraiz M (2024).
  _CohortSymmetry: Sequence Symmetry Analysis Using the Observational
  Medical Outcomes Partnership Common Data Model_. R package version
  0.1.3.900, <https://github.com/ohdsi/cohortsymmetry>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {CohortSymmetry: Sequence Symmetry Analysis Using the Observational Medical
Outcomes Partnership Common Data Model},
    author = {Xihang Chen and Tyman Stanford and Berta Raventós and Nicole Pratt and Ed Burn and Marti Català and Danielle Newby and Núria Mercadé-Besora and Mike Du and Yuchen Guo and Kim Lopez and Marta Alcalde-Herraiz},
    year = {2024},
    note = {R package version 0.1.3.900},
    url = {https://github.com/ohdsi/cohortsymmetry},
  }