1. Biomaterials Innovation Research Center; Department of Medicine; Brigham and Women's Hospital; Harvard Medical School; Boston MA 02139 USA
2. Harvard-MIT Division of Health Sciences and Technology; Massachusetts Institute of Technology; Cambridge MA 02139 USA
3. Weintraub Center for Reconstructive Biotechnology; Division of Advanced Prosthodontics; School of Dentistry; University of California; Los Angeles CA 90095-1668 USA
4. Materials Design Division; Faculty of Materials Science and Engineering; Warsaw University of Technology; 141 Woloska Str. 02-507 Warsaw Poland
5. Division of Diagnostic and Surgical Sciences; School of Dentistry; University of California; Los Angeles CA 90095-1668 USA
6. Wyss Institute for Biologically Inspired Engineering; Harvard University; Boston MA 02115 USA
7. Functional Nanomaterials Institute for Materials Science; Kiel University; Kaiserstra. 2 D-24143 Kiel Germany
8. Department of Chemical Engineering; Northeastern University; Boston MA 02115-5000 USA
9. Center of Nanotechnology; King Abdulaziz University; Jeddah 21569 Saudi Arabia
10. Department of Bioindustrial Technologies; College of Animal Bioscience and Technology; Konkuk University; Seoul Republic of Korea
11. Department of Mechanical and Materials Engineering; University of Nebraska, Lincoln; Lincoln NE 68588 USA