1. School of Physics and Astronomy, Faculty of Engineering and Physical Sciences, University of Southampton, Southampton SO17 1BJ, U.K.
2. Department of Laboratory Medicine (LABMED), Karolinska Institutet, Stockholm 171 77, Sweden
3. Fachbereich Physik, CHyN, Universität Hamburg, 22607 Hamburg, Germany
4. School of Chemistry, Faculty of Engineering and Physical Sciences, University of Southampton, Southampton SO171BJ, U.K.
5. King Hussein Cancer Center, P. O. Box 1269,
Al-Jubeiha, Amman 11941, Jordan
6. Department of Pharmaceutics & Pharmaceutical Technology, School of Pharmacy, The University of Jordan, Amman 11942, Jordan
7. Fachbereich Physik, Philipps Universität Marburg, 30357 Marburg, Germany
8. INSTM and Department of Chemical and Geological Sciences, University of Cagliari, 09042 Monserrato, Cagliari, Italy
9. Department of Mechanical, Chemical and Materials Engineering, University of Cagliari, Via Marengo 2, 09123 Cagliari, Italy
10. Institute of Electronic Structure and Laser, Foundation for Research and Technology—Hellas, Heraklion, 71110 Crete, Greece
11. KeyW Corporation, Hanover, Maryland 21076, United States
12. Optical Sciences Division, Code 5600, U.S. Naval Research Laboratory, Washington, D.C. 20375, United States
13. Center for Bio/Molecular Science and Engineering, Code 6900, U.S. Naval Research Laboratory, Washington, D.C. 20375, United States