1 Stroke Unit, Department of Emergency-Urgency and Transplants, Azienda Ospedaliera Universitaria Senese, "Santa Maria alle Scotte" General-Hospital, Siena, Italy.
2 Institut für Innovative Gesundheitstechnologien (IGHT), Jena, Germany.
3 Laboratory for Radiobiology and Molecular Genetics-080, Institute of Nuclear Sciences Vinča-National Institute of the Republic of Serbia, University of Belgrade, Belgrade, Serbia.