1. Harvard Medical School and Wellman Center for Photomedicine; Massachusetts General Hospital; 65 Landsdowne Street Cambridge MA 02139 USA
2. Division of Chemistry and Chemical Engineering; California Institute of Technology; 1200 East California Blvd Pasadena CA 91125 USA
3. School of Engineering and Applied Sciences; Harvard University; 9 Oxford Street Cambridge MA 02138 USA
4. School of Mechanical Engineering; University of Birmingham; Edgbaston Birmingham B15 2TT UK
5. Royal British Society of Sculptors; 108 Old Brompton Road London SW7 3RA UK
6. Department of Mechanical Engineering; Massachusetts Institute of Technology; 77 Massachusetts Avenue Cambridge MA 02139 USA
7. Biomaterials Innovation Research Center; Division of Biomedical Engineering; Brigham and Women's Hospital; Harvard Medical School; Cambridge MA 02139 USA
8. Wyss Institute for Biologically Inspired Engineering; Harvard University; Boston MA 02115 USA
9. Department of Physics; King Abdulaziz University; Jeddah Saudi Arabia
10. Department of Bioengineering; William Foege Bldg. 15th Ave NE; University of Washington; Seattle WA 98195 USA