1. Princess Alexandra Hospital, Hamstel
Road, Harlow, Essex CM20 1QX, UK.
2. University Hospitals of North Tees, Hardwick
Road, Stockton-on-Tees, Cleveland
TS19 8PE, UK.
3. University Hospitals of Leicester, Infirmary
Square, Leicester, LE1 5WW, UK.
4. Harcourt Building, 8
Harcourt Crescent, Sheffield, UK.