Intersection of https://www.ehealth.fgov.be/standards/fhir/core/CodeSystem/cd-fed-country and https://www.ehealth.fgov.be/standards/fhir/core/CodeSystem/cd-fed-country
This is the CodeSystem that contains codes in both BeCdFedCountry (https://www.ehealth.fgov.be/standards/fhir/core/CodeSystem/cd-fed-country) and BeCdFedCountry (https://www.ehealth.fgov.be/standards/fhir/core/CodeSystem/cd-fed-country).