1. Royal Brompton Hospital; Department of Allergy and Respiratory Medicine; Imperial College School of Medicine at the National Heart and Lung Institute London UK SW3 6LY
2. Brighton and Hove City PCT ; Prestamex House 171-173 Preston Road Brighton UK BN1 6AG
3. Imperial College, South Kensington Campus; Allergy and Clinical Immunology; Level 3 Atrium Sir Alexander Fleming Building London UK SW7 2AZ
4. King's College London; Department of English Strand London UK WC2R 2LS
5. The University of Edinburgh; Division of Community Health Sciences: GP section; 20 West Richmond Street Edinburgh UK EH8 9DX
6. Royal Brompton Hospital; Department of Allergy and Respiratory Medicine ; Imperial College - NHLI Dovehouse Street London UK SW3 6LY