1. Department of Orthopedics Union Hospital Tongji Medical College Huazhong University of Science and Technology 1277 Jiefang Avenue Wuhan 430022 China
2. Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration Wuhan 430022 China
3. College of Chemistry and Materials Science Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering Fujian Normal University Fuzhou 350007 China
4. Department of Orthopedic Surgery Tongji Hospital School of Medicine Tongji University Shanghai 200065 China
5. Key Laboratory of Biorheological Science and Technology Ministry of Education College of Bioengineering Chongqing University Chongqing 400044 China
6. Department of Neurosurgery Union Hospital Tongji Medical College Huazhong University of Science and Technology 1277 Jiefang Avenue Wuhan 430022 China
7. Department of Plastic Surgery Brigham and Women's Hospital Harvard Medical School Boston MA 02152 USA