Silvia De Nicolò [aut, cre] (ORCID:
    <https://orcid.org/0000-0001-5052-6527>),
  Aldo Gardini [aut] (ORCID: <https://orcid.org/0000-0002-2164-5815>)

Matthew E. Baker [aut, cph] (ORCID:
    <https://orcid.org/0000-0001-5069-0204>),
  Ryan S. King [aut, cph] (ORCID:
    <https://orcid.org/0000-0002-3159-9816>),
  David Kahle [aut, cph, cre] (ORCID:
    <https://orcid.org/0000-0002-9999-1558>)

Jing Zhu [cre, aut],
  Jun Zhang [aut],
  Kentaro Takeda [aut]

Filipe Campelo [aut, cre] (ORCID:
    <https://orcid.org/0000-0001-6022-9948>)

Shannon T. Holloway [aut, cre],
  Marie Davidian [aut],
  Anastasios Tsiatis [aut]

Marie Davidian [aut],
  A. A. Tsiatis [aut],
  Shannon T. Holloway [aut, cre]

Jasin Machkour [aut, cre],
  Simon Tien [aut],
  Daniel P. Palomar [aut],
  Michael Muma [aut]

Mintodê Nicodème Atchadé [aut],
  Jude Mahoulé Bogninou [aut, cre]

Lukas Soenning [aut, cre, cph] (ORCID:
    <https://orcid.org/0000-0002-2705-395X>),
  German Research Foundation (DFG) [fnd] (ROR:
    <https://ror.org/018mejw64>, Grant number 548274092)

Guangbao Guo [aut, cre] (ORCID:
    <https://orcid.org/0000-0002-4115-6218>),
  Guofu Jing [aut]

Marc Genton [aut],
  David Keyes [aut],
  George Turkiyyah [aut],
  Jian Cao [aut, cre]

Ali Amiryousefi [aut, cre] (ORCID:
    <https://orcid.org/0000-0002-6317-3860>),
  Jeremiah Wala [aut] (ORCID: <https://orcid.org/0000-0001-6591-1620>),
  Peter Sorger [ctb] (ORCID: <https://orcid.org/0000-0002-3364-1838>)

Ingo Feinerer [aut] (ORCID: <https://orcid.org/0000-0001-7656-8338>),
  Kurt Hornik [aut, cre] (ORCID: <https://orcid.org/0000-0003-4198-9911>),
  Artifex Software, Inc. [ctb, cph] (pdf_info.ps taken from GPL
    Ghostscript)

Milan Bouchet-Valat [aut, cre],
  Grigorij Ljubownikow [ctb],
  Juliane Krueger [ctb],
  Tom Nicholls [ctb]

Milan Bouchet-Valat [aut, cre],
  Tom Nicholls [ctb]

Ingo Feinerer [aut] (ORCID: <https://orcid.org/0000-0001-7656-8338>),
  Wolfgang Mauerer [aut],
  Kurt Hornik [aut, cre] (ORCID: <https://orcid.org/0000-0003-4198-9911>)