[1] E. M. Sevick-Muraca, J. P. Houston, and M. Gurfinkel, Current Opinion in Chemical Biology 6, 642 (2002).
[2] K. Licha, Topics in Current Chemistry 222, 1 (2002).
[3] T. F. Massoud and S. S. Gambhir, Genes and Development 17, 5450 (2003).
[4] S. R. Cherry, Phys. Med. Biol. 49, R13 (2004).
[5] V. Ntziachristos, C. H. Tung, C. Bremer, and R. Weissleder, Nature Medicine 8, 757 (2002).
[6] X. Cong and G. Wang, Opt. Express 13, 9847 (2005).
[7] S. Lam, F. Lesage, and X. Intes, Opt. Express 13, 2263 (2005).
[8] A. T. N. Kumar, J. Skoch, B. J. Bacskai, D. A. Boas, and A. K. Dunn, Opt. Lett. 30, 3347 (2005).
[9] F. Gao, H. Zhao, and Y. Yamada, Appl. Opt. 41, 778 (2002).
[10] S. R. Arridge, Inverse Problems 15, R41 (1999).
