Florian Schwendinger [aut, cre],
  Dirk Schumacher [aut],
  Julian Hall [cph],
  Ivet Galabova [cph],
  Leona Gottwald [cph],
  Michael Feldmeier [cph]

Hongyuan Cao [aut],
  Michael Kosorok [aut],
  Shannon T. Holloway [aut, cre]

Alexander Rix [aut, cre],
  Jonathan Boss [aut]

Weijie Su [aut],
  Yuancheng Zhu [aut, cre]

Justin Singh-Mohudpur [aut, cre]
    (<https://orcid.org/0000-0002-5233-5799>)

Yann Abraham [aut, cre],
  Marilisa Neri [aut],
  John Skilling [ctb]

Sebastian Kalucza [aut, cre],
  Sara Kalucza [aut]

Pierre Roudier [aut, cre] (<https://orcid.org/0000-0001-7431-2603>)

Yinan Zheng [aut, cre] (<https://orcid.org/0000-0002-2006-7320>),
  Haixiang Zhang [aut],
  Lifang Hou [aut],
  Lei Liu [aut, cph]

David Marsh [aut, cre],
  Enrico Spinielli [ctb],
  EUROCONTROL [fnd, cph]

Alexander Tekles [aut, cre],
  Lutz Bornmann [ctb],
  Christian Ganser [ctb]

Martijn van de Pol [aut, cre] (<https://orcid.org/0000-0003-4102-4079>),
  Lyanne Brouwer [aut] (<https://orcid.org/0000-0001-6728-4851>),
  Andrew Cockburn [aut] (<https://orcid.org/0000-0002-8531-3350>)

Greg Freedman Ellis [aut],
  Derek Burk [aut, cre],
  Joe Grover [ctb],
  Mark Padgham [ctb],
  Hadley Wickham [ctb] (Code adapted from readr),
  Jim Hester [ctb] (Code adapted from readr),
  Romain Francois [ctb] (Code adapted from readr),
  R Core Team [ctb] (Code adapted from readr),
  RStudio [cph, fnd] (Code adapted from readr),
  Jukka Jylänki [ctb, cph] (Code adapted from readr),
  Mikkel Jørgensen [ctb, cph] (Code adapted from readr),
  University of Minnesota [cph]

Jan Lisec [aut, cre] (<https://orcid.org/0000-0003-1220-2286>),
  Friederike Hoffmann [aut]

Jeremy Beaulieu [aut, cre],
  Brian O'Meara [aut],
  Daniel Caetano [aut],
  James Boyko [aut],
  Thais Vasconcelos [aut]

Michael Friendly [aut, cre],
  Stephane Dray [ctb],
  Hadley Wickham [ctb],
  James Hanley [ctb],
  Dennis Murphy [ctb],
  Peter Li [ctb],
  Luiz Droubi [ctb],
  James Riley [ctb],
  Antoine de Falguerolles [ctb],
  Monique Graf [ctb],
  Neville Verlander [ctb],
  Brian Clair [ctb],
  Jim Oeppen [ctb],
  David Bellhouse [ctb]