EC	European Commission
ERN	European Reference Network
ERN-RITA	European Reference Network on Rare Primary Immunodeficiency, Autoinflammatory and Autoimmune Diseases
IPOPI	International Patient Organization for Primary Immunodeficiencies
ISNS	International Society of Neonatal Screening
MetabERN	European Reference Network for Hereditary Metabolic Disorders
MS/MS	tandem mass spectrometry
NBS	newborn/neonatal screening
NBS-EAC	NBS expert advisory committee
SGPP	Steering Group on Health Promotion, Disease Prevention and Management of Non-Communicable Diseases