Changelog for VFT-EPJ implementation guide

Date Change
01-28-2020 Changelog created
01-28-2020 Further elaboration on "mustSupport" section in "General"
01-28-2020 VftAddress "elock" extension cardinality changed from 0..1 to 0..*
02-11-2020 Added "household" and "additionalLocator" extensions to patient profile
02-12-2020 Added "secret address" extension to address profile