1. Worthing & Southlands NHS Trust; Respiratory Medicine; Worthing UK
2. Leeds Institute of Health Sciences, Faculty of Medicine and Health, University of Leeds; Academic Unit of Psychiatry and Behavioural Sciences; Charles Thackrah Building 101 Clarendon Road Leeds West Yorkshire UK LS2 9LJ
3. St George's Hospital Medical School; Cardiovascular Medicine; Cranmer Terrace London UK SW17 0RE