1. 111 Project Laboratory of Biomechanics and Tissue Repair, Bioengineering CollegeChongqing University Chongqing China
2. Biosystems and Biomaterials DivisionNational Institute of Standards and Technology Gaithersburg MD USA
3. Department of BioengineeringUniversity of California, Berkeley Berkeley CA USA
4. Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical EngineeringBeihang University Beijing China