Author Affiliations

C. C. Yu,^1,# C. Lau,¹ J. W. Tunnell,^1,* M. Hunter,¹ M. Kalashnikov,¹ C. Fang-Yen,¹ S. F. Fulghum,² K Badizadegan,^1,3 R. R. Dasari,¹ and M. S. Feld¹

¹G. R. Harrison Spectroscopy Laboratory, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA

²Newton Laboratories, Inc. Woburn, Massachusetts 01801, USA

³Department of Pathology, Harvard Medical, Massachusetts General Hospital, Boston, Massachusetts 02114, USA

^*Now with Department of Biomedical Engineering, University of Texas at Austin, Austin, TX 78712, USA

^# chungyu@mit.edu