1. Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, P. R. China
2. Department of Vascular Surgery, Zhongshan Hospital, Fudan University, 180 Fenglin Road, Shanghai 200032, China
3. Department of Vascular Surgery, Zhongshan Xiamen Hospital, Fudan University, 668 JinhuRoad, Xiamen 361015, China