1 Dept of Medicine, King's College Hospital NHS Foundation Trust, London, UK; Dept Clinical and Experimental Medicine, Faculty of Health and Medical Sciences, University of Surrey, Guildford, UK.
2 Dept of Medicine, King's College Hospital NHS Foundation Trust, London, UK.
3 King's Thrombosis Centre, Department of Haematological Medicine, King's College Hospital NHS Foundation Trust, London, UK.
4 Department of Respiratory Medicine, King's College Hospital NHS Foundation Trust, London, UK.
5 Department of Respiratory Medicine, King's College Hospital NHS Foundation Trust, London, UK; Centre for Human and Applied Physiological Sciences, King's College London, London, UK.
6 Centre for Human and Applied Physiological Sciences, King's College London, London, UK.
7 King's Thrombosis Centre, Department of Haematological Medicine, King's College Hospital NHS Foundation Trust, London, UK. Electronic address: lara.roberts@nhs.net.