1. Institute of Low Temperature and Structure Research Polish Academy of Sciences Okólna 2 Wroclaw 50–422 Poland
2. Nanomaterials for Bioimaging Group (nanoBIG) Materials Physics Department Facultad de Ciencias Autonomous University of Madrid C/ Francisco Tomás y Valiente 7 Madrid 28049 Spain
3. Nanomaterials for Bioimaging Group (nanoBIG) Department of Applied Physics Facultad de Ciencias Autonomous University of Madrid C/ Francisco Tomás y Valiente 7 Madrid 28049 Spain
4. Nanomaterials for Bioimaging Group (nanoBIG) Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS) Hospital Ramón y Cajal Ctra. De Colmenar Viejo km 9.100 Madrid 28034 Spain
5. Centre of Excellence for Photoconversion Vinča Institute of Nuclear Sciences – National Institute of the Republic of Serbia University of Belgrade P.O. Box 522 Belgrade 11001 Serbia