[2] After the war Middlesex County Council decided to use the site to build a series of single-storey pavilions which opened as the Harefield Sanatorium in October 1921.

[3] Amongst the hospital's roll call of distinguished cardiologists were Paul Wood and Walter Somerville.

Arguably, the hospital's most famous surgeon was Professor Sir Magdi Yacoub, who performed the UK's first heart and lung transplant at Harefield in 1983.

[5] Under the leadership of Sir Magdi Yacoub, the Harefield Hospital transplant programme had begun in 1980 and by the end of the decade he and his team had performed one thousand of the procedures, while the hospital had become the leading UK transplant centre.

[6] In a January 2008 press release, the trust announced that Harefield Hospital had become the leader in the south east of England for treating acute heart attack patients with primary angioplasty and coronary stent insertion to reduce the length of hospital stays.