Sebastien Galais [cre, ctb],
  Thomas Brand [aut]

W. Jake Thompson [aut, cre] (ORCID:
    <https://orcid.org/0000-0001-7339-0300>),
  University of Kansas [cph],
  Institute of Education Sciences [fnd],
  Accessible Teaching, Learning, and Assessment Systems [fnd]

Ze Jin [aut],
  Wang Liao [aut],
  Irena Papst [aut],
  Wenyu Zhang [aut],
  Kimberly Hochstedler [aut],
  Felix Thoemmes [aut, cre]

Daniel Woulfin [aut, cre] (ORCID:
    <https://orcid.org/0000-0001-5502-9861>),
  Patrick Anker [aut] (ORCID: <https://orcid.org/0000-0003-2302-0445>),
  Global TIES for Children [cph]
    (https://steinhardt.nyu.edu/ihdsc/global-ties)

Jaak Simm [aut, cre],
  Galina Besstremyannaya [aut]

Andrew Sims [aut, cre] (ORCID: <https://orcid.org/0000-0002-9553-7278>),
  Kim Fairbairn [aut] (ORCID: <https://orcid.org/0000-0001-5108-6279>),
  Paola Cognigni [aut] (ORCID: <https://orcid.org/0000-0001-5418-3103>)

Carl Boettiger [aut, cre, cph] (ORCID:
    <https://orcid.org/0000-0002-1642-628X>),
  Bryce Mecum [rev] (ORCID: <https://orcid.org/0000-0002-0381-3766>),
  Anna Krystalli [rev] (ORCID: <https://orcid.org/0000-0002-2378-4915>),
  Viktor Senderov [ctb] (ORCID: <https://orcid.org/0000-0003-3340-5963>)

Michal Kolesár [aut, cre, cph] (ORCID:
    <https://orcid.org/0000-0002-2482-7796>),
  Tim Armstrong [ctb]

OJ Watson [aut, cre] (ORCID: <https://orcid.org/0000-0003-2374-0741>),
  Jeff Eaton [aut] (ORCID: <https://orcid.org/0000-0001-7728-728X>),
  Lucy D'Agostino McGowan [rev] (ORCID:
    <https://orcid.org/0000-0001-7297-9359>),
  Duncan Gillespie [rev]

Sebastian Calonico [aut, cre],
  Matias D. Cattaneo [aut],
  Max H. Farrell [aut],
  Filippo Palomba [aut],
  Rocio Titiunik [aut]

Christopher Bolen [aut, cre],
  Florian Rubelt [aut],
  Jason Vander Heiden [aut]

Anoop D. Shah [aut, cre] (ORCID:
    <https://orcid.org/0000-0002-8907-5724>)

Dirk Eddelbuettel [aut, cre] (ORCID:
    <https://orcid.org/0000-0001-6419-907X>),
  Robert G Brown [aut],
  David Bauer [aut],
  DieHarder Contributors [ctb]