Department of Immunology and Inflammation, Imperial College London, Hammersmith Hospital, London, UK

Daniel M. Altmann & Siyi Liu

Department of Infectious Disease, Imperial College London, Hammersmith Hospital, London, UK

Emily M. Whettlock, Siyi Liu & Rosemary J. Boyton

Lung Division, Royal Brompton and Harefield Hospitals, Guy’s and St Thomas’ NHS Foundation Trust, London, UK

Rosemary J. Boyton

Centre for Haematology, Department of Immunology and Inflammation, Imperial College London, Hammersmith Hospital, London, UK

Deepa J. Arachchillage

Department of Haematology, Imperial College Healthcare NHS Trust, London, UK

Deepa J. Arachchillage

Correspondence to Daniel M. Altmann.