Mathias Ambuehl [aut, cre, cph],
  Michael Baumgartner [aut, cph],
  Ruedi Epple [ctb],
  Veli-Pekka Parkkinen [ctb],
  Alrik Thiem [ctb]

Emil Larsen [aut],
  Kalle Hansen [aut],
  Kenneth Rosenorn [aut],
  Peter Larsen [aut],
  Utiligize ApS [cph],
  Mohsin Vindhani [aut, cre]

Mathias Ambuehl [aut, cre, cph],
  Michael Baumgartner [aut, cph]

Ana Belen Nieto Librero <ananieto@usal.es>, Priscila Willems
        <pwillems@bariloche.inta.gov.ar>, Purificacion Galindo
        Villardon <pgalindo@usal.es>

Jordan Mark Barbone [aut, cph, cre] (ORCID:
    <https://orcid.org/0000-0001-9788-3628>)

Matt Nunes [aut, cre],
  Marina Knight [aut],
  Jean Hamilton [ctb],
  Piotr Fryzlewicz [ctb]

Jean Hamilton [aut],
  Matt Nunes [aut, cre],
  Marina Knight [ctb],
  Piotr Fryzlewicz [ctb]

Panfeng Zhang [aut, cre] (ORCID:
    <https://orcid.org/0000-0001-6084-9231>)

Alexandra Lenhard [aut] (ORCID:
    <https://orcid.org/0000-0001-8680-4381>),
  Wolfgang Lenhard [cre, aut] (ORCID:
    <https://orcid.org/0000-0002-8184-6889>),
  Sebastian Gary [aut],
  WPS Publisher [fnd] (https://www.wpspublish.com/)

JiaSheng Zhang [aut,cre] (<zhangjiasheng0509@outlook.com>),
  SiWei Deng [aut],
  Feng Yu [aut],
  YangYang Zhang [aut]

Yaqin Si [aut],
  Shannon T. Holloway [ctb, cre],
  Jung-Ying Tzeng [ctb]

Joshua Harrison [aut, cre] (ORCID:
    <https://orcid.org/0000-0003-2524-0273>),
  Vivaswat Shastry [aut] (ORCID: <https://orcid.org/0000-0002-7294-5607>),
  W. John Calder [aut] (ORCID: <https://orcid.org/0000-0002-8923-1803>),
  C. Alex Buerkle [aut] (ORCID: <https://orcid.org/0000-0003-4222-8858>)

James Dalgeish, Yonghong Wang, Jack Zhu, Paul Meltzer

Paul Staab [aut],
  Dirk Metzler [aut, ths, cre],
  Jorge E. Amaya Romero [ctb]

Wei Liu [aut, cre],
  Qingzhi Zhong [aut]

Nicholas G. Reich [aut, cre],
  Justin Lessler [aut],
  Andrew Azman [aut],
  Zhian N. Kamvar [ctb],
  Hugo Gruson [ctb]

Alexander Hapfelmeier [aut, cre] (ORCID:
    <https://orcid.org/0000-0001-6765-6352>),
  Siranush Karapetyan [aut] (ORCID:
    <https://orcid.org/0000-0003-1831-9741>),
  Achim Zeileis [aut] (ORCID: <https://orcid.org/0000-0003-0918-3766>)