Bradley Boehmke [aut, cre],
  Brandon Greenwell [aut],
  Andrew McCarthy [aut],
  Robert Montgomery [ctb]

Jason S. Byers [aut, cre], Le Bao [aut], Jamie Carson [aut], Jeff Gill [aut]

Clement Chevalier [aut],
  Dario Azzimonti [aut, cre] (<https://orcid.org/0000-0001-5080-3061>),
  David Ginsbourger [aut] (<https://orcid.org/0000-0003-2724-2678>),
  Victor Picheny [aut] (<https://orcid.org/0000-0002-4948-5542>),
  Yann Richet [ctb] (<https://orcid.org/0000-0002-5677-8458>)

Kridsadakorn Chaichoompu [aut, cre],
  Kristel Van Steen [aut],
  Fentaw Abegaz [aut],
  Sissades Tongsima [aut],
  Philip James Shaw [aut],
  Anavaj Sakuntabhai [aut],
  Luisa Pereira [aut]

Jens Hainmueller (Stanford) Chad Hazlett (UCLA)

Youyi Fong [cre],
  Saheli Datta [aut],
  Krisztian Sebestyen [aut],
  Steve Park [ctb],
  Dave Geyer [ctb]

Thomaz Bastiaanssen [aut, cre],
  Sarah-Jane Leigh [aut]

Tarn Duong [aut, cre] (<https://orcid.org/0000-0002-1198-3482>),
  Matt Wand [ctb] (<https://orcid.org/0000-0003-2555-896X>),
  Jose Chacon [ctb],
  Artur Gramacki [ctb] (<https://orcid.org/0000-0002-1610-9743>)

Fritz Scholz [aut, cre],
  Angie Zhu [aut]

Min Hyung Kang [aut, cre],
  Qiang Liu [aut]

Dimitrina S. Dimitrova <D.Dimitrova@city.ac.uk>,
        Yun Jia <yunjia2019@gmail.com>,
        Vladimir K. Kaishev <Vladimir.Kaishev.1@city.ac.uk> and 
        Senren Tan <raymondtsrtsr@outlook.com>

Kei Nakagawa [aut, cre] (<https://orcid.org/0000-0001-5046-8128>),
  Shingo Sashida [aut]

Catherine Schramm [aut, cre],
  Aurelie Labbe [ctb],
  Celia M. T. Greenwood [ctb]

Iván Felipe Benavides [aut, cre, cph]
    (<https://orcid.org/0000-0002-1139-3909>),
  Steffen Moritz [aut] (<https://orcid.org/0000-0002-0085-1804>),
  Brayan-David Aroca-Gonzalez [aut]
    (<https://orcid.org/0000-0002-7365-5740>),
  Jhoana Romero [aut] (<https://orcid.org/0000-0002-1834-3461>),
  Marlon Santacruz [aut] (<https://orcid.org/0000-0003-2242-742X>),
  John-Josephraj Selvaraj [aut] (<https://orcid.org/0000-0002-9195-4883>)

Christina Stahl [aut],
  David Meyer [aut],
  Cord Hockemeyer [aut, cre]