Royal College of Pathologists            National Institute for Health and Clinical Excellence 

Royal College of Physicians               European Academy of Allergy and Clinical Immunology

Royal Society of Medicine                  European Society for Immunodeficiencies   

Allergy UK                                          UK Primary Immunodeficiency Network

Institute of Biomedical Sciences        Association for Clinical Biochemistry          

UKAS                                                 Anaphylaxis Campaign

NICE                                                  Association of Anaesthetists of Great Britain and Ireland

Department of Health                        Medicines and Healthcare Products Regulating Agency

Supra-regional Assay Service (SAS)