Anna Tyler [aut, cre],
  Jake Emerson [aut],
  Baha El Kassaby [aut],
  Ann Wells [aut],
  Georgi Kolishovski [aut],
  Vivek Philip [aut],
  Gregory Carter [aut]

David Orme [aut, cre] (<https://orcid.org/0000-0002-7005-1394>),
  Rob Freckleton [aut],
  Gavin Thomas [aut],
  Thomas Petzoldt [aut],
  Susanne Fritz [aut],
  Nick Isaac [aut],
  Will Pearse [aut]

Oswaldo Santos Baquero [aut, cre],
  Marcos Amaku [ctb],
  Fernando Ferreira [ctb]

Seong Do Yun [aut, cre],
  Eli P. Fenichel [aut, ctb],
  Joshua K. Abbott [aut, ctb]

David Granjon [aut, cre, cph],
  Diane de Zélicourt [cph],
  Vartan Kurtcuoglu [cph],
  Olivier Bonny [cph],
  François Verrey [cph],
  University of Lausanne [fnd],
  University of Zurich [fnd],
  Kidney NCCR.CH [fnd],
  The Interface Group [cph] (Hosting Group),
  RinteRface [cph] (R/HTML Templates)

Sylvain Arlot, Vincent Brault, Jean-Patrick Baudry, Cathy Maugis and Bertrand Michel

John Fox [aut, cre],
  Sanford Weisberg [aut],
  Brad Price [aut],
  Daniel Adler [ctb],
  Douglas Bates [ctb],
  Gabriel Baud-Bovy [ctb],
  Ben Bolker [ctb],
  Steve Ellison [ctb],
  David Firth [ctb],
  Michael Friendly [ctb],
  Gregor Gorjanc [ctb],
  Spencer Graves [ctb],
  Richard Heiberger [ctb],
  Pavel Krivitsky [ctb],
  Rafael Laboissiere [ctb],
  Martin Maechler [ctb],
  Georges Monette [ctb],
  Duncan Murdoch [ctb],
  Henric Nilsson [ctb],
  Derek Ogle [ctb],
  Brian Ripley [ctb],
  Tom Short [ctb],
  William Venables [ctb],
  Steve Walker [ctb],
  David Winsemius [ctb],
  Achim Zeileis [ctb],
  R-Core [ctb]

Mikkel Meyer Andersen [aut, cre, cph],
  Søren Højsgaard [aut, cph]

Nicolas Le Moine [aut],
  Celine Monteil [aut],
  Frederic Hendrickx [ctb],
  Fabrice Zaoui [aut, cre]

Fuyi Tu [aut],
  Xiaoqing Ye [aut, cre],
  Wei Ma [aut, ths],
  Feifang Hu [aut, ths]

Duncan Lee, Alastair Rushworth, Gary Napier and William Pettersson

Jonathan Sidi [aut, cre] (<https://orcid.org/0000-0002-4222-1819>)

Timothy J Heaton [aut, cre, cph]
    (<https://orcid.org/0000-0002-9994-142X>),
  Sara Al-assam [aut, cph] (<https://orcid.org/0000-0001-7280-6802>)