1. Harvard Medical School and Wellman Center for Photomedicine; Massachusetts General Hospital; 65 Landsdowne St, UP-5 Cambridge MA 02139 USA
2. Department of Electrical and Electronics Engineering; Koc University; Istanbul 34450 Turkey
3. Biological Disaster Analysis Group; Korea Basic Science Institute (KBSI); 169-148 Gwahak-ro Yusung-gu, Daejeon 305-806 South Korea
4. SUPA, School of Physics and Astronomy; University of St Andrews; St Andrews KY16 9SS Fife Scotland
5. Graduate School of Nanoscience and Technology (WCU); Korea Advanced Institute of Science and Technology (KAIST); 291 Daehak-ro Yuseong-gu, Daejeon 305-701 South Korea
6. Condensed Matter Department; J. Stefan Institute; Jamova 39 SI-1000 Ljubljana Slovenia
7. Harvard-MIT Health Sciences and Technology; 77 Massachusetts Avenue Cambridge MA 02139 USA