1 Bristol Immunology and Allergy Centre, Southmead Hospital, North Bristol NHS Trust, Bristol, United Kingdom. Electronic address: alexandros.grammatikos@nbt.nhs.uk.
2 Clinical Immunology Service, NHS Greater Glasgow and Clyde, Glasgow, United Kingdom.
3 Bristol Immunology and Allergy Centre, Southmead Hospital, North Bristol NHS Trust, Bristol, United Kingdom.
4 Bristol Centre for Antimicrobial Research and Evaluation, North Bristol NHS Trust, Bristol, United Kingdom.
5 Immunology Department, Frimley Park Hospital, Frimley Health NHS Trust, Frimley, United Kingdom.
6 Immunology Department, Barts and The London NHS Trust, London, United Kingdom.
7 Department of Allergy and Immunology, University Hospitals Plymouth NHS Trust, Derriford Hospital, Plymouth, United Kingdom.
8 Immunology Department, Northern Care NHS Foundation Trust, Manchester, United Kingdom.