Table 1.

Three example eligibility criteria defined using a set of FHIR search query statements aligned with the semantics of the FAIR data stored in the FHIR repository.

Criterion	FHIR search query	Description
Patients older than or equal to 18 years old	/Patient?birthdate=le2004	Actual criterion is on the birth date of patients as of the execution of this query which was year 2022.
Patients diagnosed with chronic obstructive pulmonary disease (COPD)	/Condition?code=J44,J44.0,J44.1,J44.9	FAIRified datasets encoded the conditions with ICD-10 and indicated COPD with given list of ICD-10 codes.
Patients without a psychiatric disease	/Condition?code:not=I60,I61,I63,G20,G30,F01,F02	This query is semantically an exclusion criterion to exclude the patients who has conditions coded with the given ICD-10 codes.