Guy's and St Thomas' NHS Foundation Trust, London, United Kingdom
Guy's & St Thomas Foundation Hospital, London, United Kingdom
Allergy Day Care Unite, Guy's Hospital, London, United Kingdom
St Thomas' Hospital NHS Trust London, London, United Kingdom
Guy's and St Thomas' Hospital NHS Foundation Trust, London, United Kingdom
Guy's hospital, London, United Kingdom
Bedford Hospital, Bedford, United Kingdom
Epsom & St. Helier, London, United Kingdom
Queen Elizabeth Hospital, London, United Kingdom
Guy's and St Thomas' NHS Trust, London, United Kingdom