1. Key Laboratory for Biorheological Science and Technology of Ministry of EducationState and Local Joint Engineering Laboratory for Vascular ImplantsBioengineering College of Chongqing University Chongqing 400030 China
2. The Nanoscience CentreUniversity of Cambridge Cambridge CB3 0FF UK
3. Department of Biomedical EngineeringThe Hong Kong Polytechnic University Hong Kong SAR 999077 China