Andrew Watson, 49, is a patient of both Royal Brompton and Harefield hospitals. He has cystic fibrosis and underwent a lung transplant last year.
Cathryn Ramsden, 43, underwent cardiac surgery at Royal Brompton hospital in 1978, when she was three.
Professor Pallav Shah
Consultant physician in respiratory medicine at Royal Brompton Hospital and Chelsea & Westminster Hospital
Dr Nitha Naqvi
Consultant paediatric cardiologist at Royal Brompton Hospital talks about her family's 140 years of service in the NHS
Senior nurse, children's services, Royal Brompton Hospital
Mr Babulal Sethia
Consultant cardiac surgeon at Royal Brompton Hospital
Steve Syer, 76, had a heart transplant in 1984 at Harefield Hospital, making him one of the longest surviving patients
Professor Anita Simonds
Consultant in respiratory and sleep medicine and professor of respiratory and sleep medicine at the National Heart and Lung Institute, Imperial College London
Professor Andrew Menzies-Gow
Consultant in respiratory medicine and director of the lung division at Royal Brompton Hospital
Dr Mark Mason
Consultant cardiologist and director of the Heart Division at Harefield Hospital