1. Department of Biosystems and Soft Matter, Institute of Fundamental Technological Research, Polish Academy of Sciences, Warsaw 02-106, Poland
2. Department of Industrial Chemistry “Toso Montanari”, Alma Mater Studiorum University of Bologna, Bologna 40136, Italy
3. Ivy Brain Tumor Center, Barrow Neurological Institute, Phoenix, Arizona 85013, United States
4. Laboratory of Polymers and Biomaterials, Institute of Fundamental Technological Research, Polish Academy of Sciences, Warsaw 02-106, Poland
5. Faculty of Chemistry, University of Warsaw, Warsaw 02-093, Poland
6. Department of Neurology and Neurosurgery, University of Warmia and Mazury in Olsztyn, Olsztyn 11-041, Poland
7. NEST, Istituto Nanoscienze CNR and Scuola Normale Superiore, Pisa 56127, Italy
8. Dipartimento di Fisica, Università di Pisa, Largo B. Pontecorvo 3, I-56127 Pisa, Italy