SAIL	Secure Anonymised Information Linkage
NERVTAG	New and Emerging Respiratory Virus Threats Advisory Group
RECORD	REporting of studies Conducted using Observational Routinely-collected health Data
WLGP	Welsh Longitudinal General Practice
PEDW	Patient Episode Database for Wales
WDDS	Wales Dispensing DataSet
CENW	Census 2011 data
BMI	Body Mass Index
ICD-10	International Classification of Diseases, Tenth Revision
OPCS-4	OPCS Classification of Interventions and Procedures version 4
CKD	Chronic Kidney Disease
ONS	Office for National Statistics
ADDE	Annual District Death Extract
ADDD	Annual District Death Daily
WDSD	Welsh Demographic Service Dataset
CDDS	Consolidated Death Data Source
DMD	Dictionary of Medicines and Devices
SACT	Systemic Anti-Cancer Therapy