Funded by Mylan.

Information intended for healthcare professionals only. Guidelines in Practice approached Mylan to fund the printing costs for this checklist. At all times editorial control has remained with Guidelines in Practice. Mylan was not involved in the development of this checklist, although it was allowed to review it for technical accuracy just prior to printing. The British Society for Allergy and Clinical Immunology (BSACI) was not involved in the development of this checklist. Sponsorship of this checklist does not imply BSACI endorsement of the sponsoring company’s products.