1. Worthing & Southlands NHS Trust; Respiratory Medicine; Worthing UK
2. St George's Hospital Medical School; Division of Physiological Medicine; Cranmer Terrace London UK SW17 ORE
3. Oxfordshire and Buckinghamshire Mental Health Trust; Department of Psychiatry; John Radcliffe Hospital (4th Floor, Room 4401C) Headington Oxford UK OX3 9DU
4. St George's, University of London; Community Health Sciences; Cranmer Terrace Tooting London UK SW17 ORE
5. St George's Hospital Medical School; Cardiovascular Medicine; Cranmer Terrace London UK SW17 0RE