Yian Zhang [aut, cre],
  Ming Zhou [aut],
  Yongzhao Shao [aut]

Sławomir Jarek [aut, cre] (<https://orcid.org/0000-0003-4831-2583>),
  Grzegorz Jarek [ctb]

Natalya Pya [aut, cre],
  Vassilly Voinov [aut],
  Rashid Makarov [aut],
  Yevgeniy Voinov [aut]

Rainer Hirk [aut],
  Kurt Hornik [aut] (<https://orcid.org/0000-0003-4198-9911>),
  Laura Vana [aut, cre] (<https://orcid.org/0000-0002-9613-7604>),
  Alan Gentz [ctb]

Peter Filzmoser <P.Filzmoser@tuwien.ac.at> and
	Moritz Gschwandtner <e0125439@student.tuwien.ac.at>

Bruce Swihart [aut, cre] (<https://orcid.org/0000-0002-4216-9942>)

Constantin Weiser ( University Mainz / Germany)

Jean-Eudes Dazard [aut, cre],
  Hua Xu [ctb],
  Alberto Santana [ctb]

Wouter van Loon [aut, cre],
  Marjolein Fokkema [ctb]

Krzysztof Bartoszek [cre, aut],
  John Clarke [ctb],
  Jesualdo Fuentes-Gonzalez [ctb],
  Jason Pienaar [ctb]

Antonio Parisi [aut, cre],
    Brunero Liseo [aut],
    Dirk Eddelbuettel [ctb],
    Romain Francois [ctb]

Wolfgang Tschacher [aut, cre],
  Deborah Meier [aut],
  Jan Gorecki [ctb]

Alan Genz [aut],
  Frank Bretz [aut],
  Tetsuhisa Miwa [aut],
  Xuefei Mi [aut],
  Friedrich Leisch [ctb],
  Fabian Scheipl [ctb],
  Bjoern Bornkamp [ctb] (<https://orcid.org/0000-0002-6294-8185>),
  Martin Maechler [ctb] (<https://orcid.org/0000-0002-8685-9910>),
  Torsten Hothorn [aut, cre] (<https://orcid.org/0000-0001-8301-0471>)

Alexander Loboda [aut, cre],
  Nikolay Poperechnyi [aut],
  Eduardo Alvarez-Miranda [aut],
  Markus Sinnl [aut],
  Alexey Sergushichev [aut],
  Paul Hosler Jr. [cph] (Bundled JOpt Simple package),
  www.hamcrest.org [cph] (Bundled hamcrest package),
  Barak Naveh and Contributors [cph] (Bundled JGraphT package),
  The Apache Software Foundation [cph] (Bundled Apache Commons Math
    package)

Hannah De los Santos [aut, cre],
  John Erickson [aut],
  Joe Cheng [ctb],
  Nicholas Thomson [ctb],
  Kristin Bennett [aut]

Konstantina Biza [aut, cre],
  Ioannis Tsamardinos [aut, cph],
  Vincenzo Lagani [aut, cph],
  Giorgos Athineou [aut],
  Michail Tsagris [aut],
  Giorgos Borboudakis [ctb],
  Anna Roumpelaki [ctb]