1 Centre for Clinical Vaccinology and Tropical Medicine, Jenner Vaccine Trials, Churchill Hospital, Oxford, UK. Electronic address: hazelmorrison@doctors.org.uk.
2 Department of Respiratory Medicine, King's College Hospital NHS Foundation Trust, Denmark Hill, London, UK. Electronic address: felicity.perrin@nhs.net.
3 Department of Infectious Diseases, University Hospitals Birmingham, Birmingham UK & TB Unit, UKHSA, 61 Colindale Avenue, London, UK. Electronic address: martin.dedicoat1@nhs.net.
4 Department of Respiratory Medicine, Royal Bolton Hospital, Farnworth, Bolton, UK. Electronic address: rizwanyahya@hotmail.com.
5 Department of Respiratory Medicine, Royal Free London NHS Foundation Trust, Royal Free Hospital, Pond Road, London, UK. Electronic address: james.brown13@nhs.net.
7 Department of Respiratory Medicine, Liverpool University Hospitals NHS Foundation Trust, Royal Liverpool University Hospital, Mount Vernon Street, Liverpool, UK. Electronic address: suman_paul86@yahoo.co.in.
9 Department of Respiratory Medicine, Homerton University Hospital, Homerton Row, London, UK. Electronic address: richardward3@nhs.net.
10 Faculty of Medical Sciences, University College London, Gower St, London, UK; Department of Respiratory Medicine, Royal Free London NHS Foundation Trust, Royal Free Hospital, Pond Road, London, UK. Electronic address: marclipman@nhs.net.