1. The Department of Urology; Affiliated Sixth People's Hospital; Shanghai Jiaotong University; Shanghai China
2. Biomaterials and Tissue Engineering Laboratory; College of Chemistry & Chemical Engineering and Biotechnology; Donghua University; Shanghai China
3. Wake Forest Institute for Regenerative Medicine; Winston-Salem North Carolina
4. Trauma Department of Orthopedics; Shenzhen Second People's Hospital; Shenzhen China