Table 3 Essential metadata required in the MeDIC and respective priority level.

MetadataID

1

Unique and persistent identifier of the metadata

MetadataDate

1

Date of the metadata creation

AffiliateDatasetID

1

Globally unique identifier of the data, which the metadata is associated with

MetadataVersion

1

Version of the Metadata

ReferenceData

1

References to other data via name or description

ReferenceMetadata

1

References to other metadata via name or description

DataLifecycleState

2

State of the data during its lifecycle (creation, processing, analysis, preservation, access, reuse)

UsageLicense/Copyright

1

clear and accessible data usage license

UsageContext

3

Context in which the data should be used

SourceSystemName

1

Explicit name of the Source System

SourceSystemVersion

1

Version of the Source System when recording the (meta)data

SourceInformation

3

Additional information about the source of the data

SourceOriginal Contributor

2

Contributor of the Source data

VestingPeriod

3

Availability of data to other researcher outside the study during the time of the study

ConsentType

2

Type of patient consent (i.e., broad consent, study specific consent)

ConsentValidation

1

Validity period of the consent

ConsentVerification

1

Physical signature of the patient and start of the validity period

ConsentModule

2

Exact parts of the consent, to which the patient consented to

DataItemLanguage

3

Language of the data items