1. Royal Stoke University Hospital; Respiratory Medicine; Stoke-on-Trent UK
2. Lancashire Teaching Hospitals NHS Foundation Trust; Respiratory Medicine; Preston UK
3. University of Central Lancashire; School of Medicine and Dentistry; Preston UK
4. Blackpool Victoria Hospital; Families Division; Blackpool UK
5. National University Health System, Division of Respiratory & Critical Care Medicine; Singapore City Singapore
6. Lancaster University; Lancaster Health Hub; Lancaster UK LA1 4YG