sentences:  In July 2006, the London region started the contractual replacement of IDX (which had been bought out by GE Healthcare in January 2006) as its supplier.Systems for secondary care, primary care and community and mental health services are proposed by BT to be provided by Cerner, INPS (formerly in Practice Systems) and CSE Healthcare Systems, part of the CSE-Global group of companies, respectively.This is subject to contractual negotiation known as 'CCN2'.