1. Department of Chemistry and Center for Analysis of Structures and Interfaces (CASI), The City College of New York, Convent Avenue at 138th Street, New York, New York 10031
2. Institute for Photonics and Nanotechnologies (IFN), Consiglio Nazionale delle Ricerche (CNR), via Cineto Romano 42, 000156 Roma, Italy
3. Scientist, Analytical GCO, HHC Analytical Capability, Fabric & Home Care Innovation Center, The Procter & Gamble Company, 5289 Vine Street, Cincinnati, Ohio 45217