- name: funding
  schema:
    maybeArrayOf:
      anyOf:
        - string
        - object:
            closed: true
            properties:
              id:
                string:
                  description: Unique identifier assigned to an award, contract, or grant.
              statement:
                string:
                  description: Displayable prose statement that describes the funding for the research on which a work was based.
              open-access:
                string:
                  description: Open access provisions that apply to a work or the funding information that provided the open access provisions.
              source:
                maybeArrayOf:
                  anyOf:
                    - string
                    - object:
                        closed: true
                        properties:
                          text:
                            string:
                              description: The text describing the source of the funding.
                          country:
                            string:
                              description:
                                short: Abbreviation for country where source of grant is located.
                                long: |
                                  Abbreviation for country where source of grant is located.
                                  Whenever possible, ISO 3166-1 2-letter alphabetic codes should be used.
                description: Agency or organization that funded the research on which a work was based.
              recipient:
                maybeArrayOf:
                  anyOf:
                    - string
                    - object:
                        closed: true
                        properties:
                          ref:
                            string:
                              description: The id of an author or affiliation in the document metadata.
                    - object:
                        closed: true
                        properties:
                          name:
                            string:
                              description: The name of an individual that was the recipient of the funding.
                    - object:
                        closed: true
                        properties:
                          institution:
                            anyOf:
                              - string
                              - object
                            description: The institution that was the recipient of the funding.
                description: Individual(s) or institution(s) to whom the award was given (for example, the principal grant holder or the sponsored individual).
              investigator:
                maybeArrayOf:
                  anyOf:
                    - string
                    - object:
                        closed: true
                        properties:
                          ref:
                            string:
                              description: The id of an author or affiliation in the document metadata.
                    - object:
                        closed: true
                        properties:
                          name:
                            string:
                              description: The name of an individual that was responsible for the intellectual content of the work reported in the document.
                    - object:
                        closed: true
                        properties:
                          institution:
                            anyOf:
                              - string
                              - object
                            description: The institution that was responsible for the intellectual content of the work reported in the document.
                description: Individual(s) responsible for the intellectual content of the work reported in the document.
  description: |
    Information about the funding of the research reported in the article 
    (for example, grants, contracts, sponsors) and any open access fees for the article itself
