Luis Osorio-Olvera [aut, cre] (ORCID:
    <https://orcid.org/0000-0003-0701-5398>),
  Marlon E. Cobos [aut] (ORCID: <https://orcid.org/0000-0002-2611-1767>),
  Rusby G. Contreras-Díaz [aut] (ORCID:
    <https://orcid.org/0000-0002-0569-8984>),
  Weverton Trindade [ctb] (ORCID:
    <https://orcid.org/0000-0003-2045-4555>),
  Luis F. Arias-Giraldo [ctb] (ORCID:
    <https://orcid.org/0000-0003-4861-8064>)

Steven Miller [aut, cre] (ORCID:
    <https://orcid.org/0000-0003-4072-6263>)

Patricia Roman-Roman, Juan J. Serrano-Perez and Francisco Torres-Ruiz.

Iris Foxfoot [aut],
  Todd Swannack [cre],
  U.S. Army Engineer Research and Development Center [cph, fnd]

Andrew Gard [aut, cre] (ORCID: <https://orcid.org/0000-0003-4434-0755>),
  Alexia Myers [aut],
  Irene Luwabelwa [aut]

Muhammad Alkhalaf [aut, cre, cph] (ORCID:
    <https://orcid.org/0009-0002-2677-9246>),
  Merwan Roudane [ctb] (Original Stata/Python implementation)

Cole Brokamp [aut, cre, cph] (ORCID:
    <https://orcid.org/0000-0002-0289-3151>),
  Tomasz Kalinowski [ctb]

Muhammed Irshad M [aut, cre],
  Dr. Kader Ali Sarkar [aut],
  Dr. Digvijay Singh Dhakre [aut],
  Prof. Debasis Bhattacharaya [aut]

Martin Maechler [aut, cre] (ORCID:
    <https://orcid.org/0000-0002-8685-9910>),
  Chris Fraley [ctb, cph] (S original; Fortran code),
  Friedrich Leisch [ctb] (R port, ORCID:
    <https://orcid.org/0000-0001-7278-1983>),
  Valderio Reisen [ctb] (fdGPH() & fdSperio()),
  Artur Lemonte [ctb] (fdGPH() & fdSperio()),
  Rob Hyndman [ctb] (residuals() & fitted(), ORCID:
    <https://orcid.org/0000-0002-2140-5352>)

Lealand Morin [aut, cre] (ORCID:
    <https://orcid.org/0000-0001-8539-1386>)

Alice Cleynen [aut, cre] (ORCID:
    <https://orcid.org/0000-0001-8083-0204>),
  Agin Ravindran [aut],
  Nikolay Shirokikh [aut] (ORCID:
    <https://orcid.org/0000-0001-8249-358X>)

Neringa Urbonaite [aut, cre],
  Leonidas Sakalauskas [aut]

Hana Sevcikova <hanas@uw.edu>, 
	Don Percival <dbp@apl.washington.edu>,
        Tilmann Gneiting <tilmann@stat.washington.edu>