Citation information for 1) the Software 2) the Tutorial on PAMMs 3) Paper on cumulative effects:

Andreas Bender and Fabian Scheipl. (2017, November 14). adibender/pammtools: v0.0.3.2 (Version v0.0.3.2). Zenodo. http://doi.org/10.5281/zenodo.1048832

Andreas Bender, Andreas Groll and Fabian Scheipl. 2018. A Generalized Additive Model Approach to Time-to-Event Analysis. Statistical Modelling, https://doi.org/10.1177/1471082X17748083.

Andreas Bender, Fabian Scheipl, Wolfgang Hartl, Andrew G Day, Helmut K├╝chenhoff; Penalized estimation of complex, non-linear exposure-lag-response associations, Biostatistics, , kxy003, https://doi.org/10.1093/biostatistics/kxy003

Corresponding BibTeX entries:

  @Manual{,
    author = {Andreas Bender and Fabian Scheipl},
    title = {pammtools: Piece-wise Exponential Additive Mixed Modeling
      tools},
    year = {2017},
    note = {R package version 0.0.3.2},
    url = {https://github.com/adibender/pammtools},
  }
  @Article{,
    author = {Andreas Bender and Andreas Groll and Fabian Scheipl},
    title = {A generalized additive model approach to time-to-event
      analysis},
    journal = {Statistical Modelling},
    year = {2018},
    doi = {10.1177/1471082X17748083},
    url = {https://doi.org/10.1177/1471082X17748083},
  }
  @Article{,
    author = {{Bender} and {Andreas} and {Scheipl} and {Fabian} and
      {Hartl} and {Wolfgang} and {Day} and Andrew G and {K├╝chenhoff}
      and {Helmut}},
    title = {Penalized estimation of complex, non-linear
      exposure-lag-response associations},
    journal = {Biostatistics},
    year = {2018},
    doi = {10.1093/biostatistics/kxy003},
    url = {https://dx.doi.org/10.1093/biostatistics/kxy003},
  }