1. Centre for Translational Bone, Joint and Soft Tissue Research University Hospital and Faculty of Medicine Carl Gustav Carus Technische Universität Dresden Dresden 01307 Germany
2. Department of Prosthodontics Shanghai Engineering Research Center of Advanced Dental Technology and Materials Shanghai Key Laboratory of Stomatology Shanghai Research Institute of Stomatology National Clinical Research Center for Oral Diseases Shanghai Ninth People's Hospital, College of Stomatology Shanghai Jiao Tong University School of Medicine No. 639 Zhizaoju Road Shanghai 200011 China
3. Department of Bioengineering University of California, Los Angeles Los Angeles CA 90095 USA
4. Jonsson Comprehensive Cancer Center California NanoSystems Institute and Center for Minimally Invasive Therapeutics University of California, Los Angeles Los Angeles CA 90095 USA
5. College of Pharmaceutical Sciences Zhejiang University Hangzhou 310058 P. R. China