1. Medical Engineering Division, School of Engineering and Materials Science, Queen Mary, University of London, London E1 4NS, UK
2. Department of Hematology, Nanfang Hospital, Southern Medical University, 1838 Guangzhou Avenue North, Guangzhou 510515, China
3. Vascular Biology Unit, Department of Cardiology, King’s College London, Strand, London WC2R 2LS, UK