Chongliang Luo [aut],
  Rui Duan [aut],
  Mackenzie Edmondson [aut],
  Jiayi Tong [aut],
  Xiaokang Liu [aut],
  Kenneth Locke [aut],
  Jiajie Chen [cre],
  Yong Chen [aut],
  Penn Computing Inference Learning (PennCIL) lab [cph]

Yves Croissant [aut, cre] (<https://orcid.org/0000-0002-4857-7736>),
  Giovanni Millo [aut]

Menardi Giovanna [aut, cre],
  Azzalini Adelchi [aut],
  Rosolin Tiziana [ctb] (up to version 0.1-13)

Jenny Farmer <jfarmer@carolina.rr.com> and Donald Jacobs <djacobs1@uncc.ecu>

Florian Schwendinger [aut, cre, cph],
  Benjamin Schwendinger [aut, cph]

Tomohiro Ando [aut, cre],
  Hani Fayad [aut]

Javier Cabrera <xavier.cabrera@gmail.com>, Fei Wang <cherry8177@gmail.com>

Brandon M. Greenwell [aut, cre]
    (<https://orcid.org/0000-0002-8120-0084>)

Luca Belmonte <luca.belmonte@unimore.it>, Sheref S. Mansy
    <sheref.mansy@unitn.it>

Jan Houtveen [aut, cre],
  Anouk Vroegindeweij [ctb]

Kelly McConville [aut, cre],
  Isabelle Caldwell [aut],
  OR City of Portland [cph],
  Nicholas Horton [ctb]

Markus Fritsch [aut, cre],
  Joachim Schnurbus [aut],
  Andrew Adrian Yu Pua [aut]

Jinyan Chan [aut, cre], Jinghua Gu [aut, cre]

Martin Becker [aut, cre] (<https://orcid.org/0000-0003-2336-9751>),
  Stefan Klößner [aut] (<https://orcid.org/0000-0002-6558-7370>),
  Joel Heinrich [ctb]

Schaid Daniel [aut],
  Visconti Alessia [ctb],
  Jason Sinnwell [aut, cre]

Douglas Bates, Paulino Perez Rodriguez and Ana Ines Vazquez,

Ana Ines Vazquez, Douglas Bates, Siddharth Avadhanam, Paulino Perez Rodriguez and Gregor Gorjanc

Benjamin Christoffersen [cre, aut]
    (<https://orcid.org/0000-0002-7182-1346>),
  Alan Genz [cph],
  Frank Bretz [cph],
  Bjoern Bornkamp [cph],
  Torsten Hothorn [cph],
  Christophe Dutang [cph],
  Diethelm Wuertz [cph],
  R-core [cph],
  Leo Belzile [cph],
  Zdravko Botev [cph]

Magnus Dehli Vigeland [aut, cre]
    (<https://orcid.org/0000-0002-9134-4962>),
  Thore Egeland [ctb] (<https://orcid.org/0000-0002-3465-8885>)

Alessandro Samuel-Rosa [aut, cre]
    (<https://orcid.org/0000-0003-0877-1320>),
  Lucia Helena Cunha dos Anjos [ths]
    (<https://orcid.org/0000-0003-0063-3521>),
  Gustavo Vasques [ths] (<https://orcid.org/0000-0001-9463-1898>),
  Gerard B M Heuvelink [ths] (<https://orcid.org/0000-0003-0959-9358>),
  Juan Carlos Ruiz Cuetos [ctb],
  Maria Eugenia Polo Garcia [ctb],
  Pablo Garcia Rodriguez [ctb],
  Joshua French [ctb],
  Ken Kleinman [ctb],
  Dick Brus [ctb] (<https://orcid.org/0000-0003-2194-4783>),
  Frank Harrell Jr [ctb],
  Ruo Xu [ctb]