#let affiliation(
    number: none,
    name: none,
    department: none,
    address: none,
    city: none,
    region: none,
    country: none,
    postal-code: none,
    url: none,
) = (
    number: number,
    name: name,
    department: department,
    address: address,
    city: city,
    region: region,
    country: country,
    postal-code: postal-code,
    url: url
)
