This code system http://hl7.org/fhir/artifact-contribution-type defines the following codes:

CodeDisplayDefinition
conceptualization ConceptualizationConceptualization (see https://jats4r.org/credit-taxonomy).
data-curation Data curationData curation (see https://jats4r.org/credit-taxonomy).
formal-analysis Formal analysisFormal analysis (see https://jats4r.org/credit-taxonomy).
funding-acquisition Funding acquisitionFunding acquisition (see https://jats4r.org/credit-taxonomy).
investigation InvestigationInvestigation (see https://jats4r.org/credit-taxonomy).
methodology MethodologyMethodology (see https://jats4r.org/credit-taxonomy).
project-administration Project administrationProject administration (see https://jats4r.org/credit-taxonomy).
resources ResourcesResources (see https://jats4r.org/credit-taxonomy).
software SoftwareSoftware (see https://jats4r.org/credit-taxonomy).
supervision SupervisionSupervision (see https://jats4r.org/credit-taxonomy).
validation ValidationValidation (see https://jats4r.org/credit-taxonomy).
visualization VisualizationVisualization (see https://jats4r.org/credit-taxonomy).
writing-original-draft Writing - original draftWriting - original draft (see https://jats4r.org/credit-taxonomy).
writing-review-editing Writing - review & editingWriting - review & editing (see https://jats4r.org/credit-taxonomy).
<status value="active"/><experimental value="false"/><date value="2020-12-28T16:55:11+11:00"/><publisher value="HL7 (FHIR Project)"/><contact><telecom><system value="url"/><value value="http://hl7.org/fhir"/></telecom><telecom><system value="email"/><value value="fhir@lists.hl7.org"/></telecom></contact><description value="Citation contribution."/><jurisdiction><coding><system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/><code value="001"/><display value="World"/></coding></jurisdiction><caseSensitive value="true"/><valueSet value="http://hl7.org/fhir/ValueSet/artifact-contribution-type"/><content value="complete"/><concept><code value="conceptualization"/><display value="Conceptualization"/><definition value="Conceptualization (see https://jats4r.org/credit-taxonomy)."/></concept><concept><code value="data-curation"/><display value="Data curation"/><definition value="Data curation (see https://jats4r.org/credit-taxonomy)."/></concept><concept><code value="formal-analysis"/><display value="Formal analysis"/><definition value="Formal analysis (see https://jats4r.org/credit-taxonomy)."/></concept><concept><code value="funding-acquisition"/><display value="Funding acquisition"/><definition value="Funding acquisition (see https://jats4r.org/credit-taxonomy)."/></concept><concept><code value="investigation"/><display value="Investigation"/><definition value="Investigation (see https://jats4r.org/credit-taxonomy)."/></concept><concept><code value="methodology"/><display value="Methodology"/><definition value="Methodology (see https://jats4r.org/credit-taxonomy)."/></concept><concept><code value="project-administration"/><display value="Project administration"/><definition value="Project administration (see https://jats4r.org/credit-taxonomy)."/></concept><concept><code value="resources"/><display value="Resources"/><definition value="Resources (see https://jats4r.org/credit-taxonomy)."/></concept><concept><code value="software"/><display value="Software"/><definition value="Software (see https://jats4r.org/credit-taxonomy)."/></concept><concept><code value="supervision"/><display value="Supervision"/><definition value="Supervision (see https://jats4r.org/credit-taxonomy)."/></concept><concept><code value="validation"/><display value="Validation"/><definition value="Validation (see https://jats4r.org/credit-taxonomy)."/></concept><concept><code value="visualization"/><display value="Visualization"/><definition value="Visualization (see https://jats4r.org/credit-taxonomy)."/></concept><concept><code value="writing-original-draft"/><display value="Writing - original draft"/><definition value="Writing - original draft (see https://jats4r.org/credit-taxonomy)."/></concept><concept><code value="writing-review-editing"/><display value="Writing - review & editing"/><definition value="Writing - review & editing (see https://jats4r.org/credit-taxonomy)."/></concept></CodeSystem>