Fig. 1From: How an electronic health record became a real-world research resource: comparison between London’s Whole Systems Integrated Care database and the Clinical Practice Research DatalinkWSIC database architecture. SUS = Secondary User Service, SLAM = Service Level Agreement Management, EMIS = Egton Medical Information Systems, GP = General practitioner, NWL = North West London, WSIC = Whole System Integrated Care, ISA = Information Sharing Agreement, RDP = Remote desktop protocol, Tableau = Business Intelligence Software, SSIS = SQL Server Integration Services, SQL = Structured Query Language, UAT = User Acceptance TestBack to article page