1. State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases; West China Hospital of Stomatology, Sichuan University; Chengdu China
2. Biomaterials & Tissue Engineering Division, Department of Endodontics, Periodontics and Prosthodontics; University of Maryland School of Dentistry; Baltimore MD USA
3. Department of Orthopaedic Surgery, Nanfang Hospital; Southern Medical University; Guangzhou Guangdong China
4. Center for Stem Cell Biology and Regenerative Medicine; University of Maryland School of Medicine; Baltimore MD USA
5. University of Maryland Marlene and Stewart Greenebaum Cancer Center, University of Maryland School of Medicine; Baltimore MD USA
6. Department of Mechanical Engineering; University of Maryland at Baltimore County; Baltimore County MD USA