1. Münster University of Applied SciencesTailored Optical Materials RG Stegerwaldstr. 39 Steinfurt 48565 Germany
2. Functional Nanomaterials RGUniversity of Osnabrück Barbarastraße 7 Osnabrück 49076 Germany
3. Wellman Center for PhotomedicineMassachusetts General Hospital/Harvard Medical School 50 Blossom Street Boston MA 02114 USA