Florian Wickelmaier [aut, cre],
  Achim Zeileis [aut] (ORCID: <https://orcid.org/0000-0003-0918-3766>)

Henrik Singmann [aut, cre],
  David Kellen [aut],
  Quentin Gronau [aut],
  Christian Mueller [ctb],
  Akhil S Bhel [ctb]

W.J. Braun [aut, cre],
  S. MacQueen [aut]

Malcolm Haddon [aut, cre] (ORCID:
    <https://orcid.org/0000-0001-6971-7585>)

Merwan Roudane [aut, cre, cph],
  Avik Sinha [ctb] (Original multivariate QQ causality methodology),
  Nicholas Sim [ctb] (Original QQ regression methodology),
  Hongtao Zhou [ctb] (Original QQ regression methodology)

Merwan Roudane [aut, cre, cph],
  Avik Sinha [ctb] (Original m-QQR methodology),
  Nicholas Sim [ctb] (Original QQ regression methodology),
  Hongtao Zhou [ctb] (Original QQ regression methodology)

Fabio Morgante [aut],
  Jason Willwerscheid [ctb],
  Gao Wang [ctb],
  Deborah Kunkel [aut],
  Daniel Nachun [ctb],
  Peter Carbonetto [cre, aut],
  Matthew Stephens [aut]

Bitan Sarkar [aut, cre],
  Yang Ni [aut]

Jia-Han Shih [aut, cre],
  Yi-Hau Chen [aut]

Katarzyna Markowska [aut, cre, cph],
  Lechosław Kuczyński [aut, cph]

Gemechis Djira [aut],
  Mario Hasler [aut],
  Daniel Gerhard [aut],
  Lawrence Segbehoe [aut],
  Frank Schaarschmidt [aut, cre]

Okezie Uche-Ikonne [aut] (ORCID:
    <https://orcid.org/0000-0002-8461-8099>),
  Frank Dondelinger [aut] (ORCID:
    <https://orcid.org/0000-0003-1816-6300>),
  Tom Palmer [aut, cre] (ORCID: <https://orcid.org/0000-0003-4655-4511>)

Matthias Klein [aut, cre] (ORCID:
    <https://orcid.org/0000-0001-7455-5381>)

Thimo Schuster [aut],
  Roman Flury [cre, aut],
  Leena Pasanen [ctb],
  Reinhard Furrer [ctb]

Jeremy Oguamalam [aut, cre],
  Una Radojičić [aut],
  Peter Filzmoser [aut]

Natalie Koziol [aut],
  Chris Bilder [aut, cre]

Laura Marshall [cre],
  Jeff Laake [aut],
  David Miller [aut],
  Felix Petersma [aut],
  Len Thomas [ctb],
  David Borchers [ctb],
  Jon Bishop [ctb],
  Jonah McArthur [ctb],
  Eric Rexstad [rev]

Simon Bond [aut, cre] (ORCID: <https://orcid.org/0000-0003-2528-1040>),
  Vern Farewell [aut]