1. Molecular Imaging and Photonics, Department of Chemistry; KU Leuven; Heverlee Belgium
2. School of Physics; University of Exeter; Exeter UK
3. Department of Physics & Namur Institute of Structured Matter (NISM); University of Namur; Namur Belgium
4. Micro- and Nanophotonic Materials Group; University of Mons; Mons Belgium
5. Center for Photonics, Institute of Physics; University of Belgrade; Belgrade Serbia
6. Old World Labs; Virginia Beach VA