1 Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Palermo, Italy. Electronic address: marilia.barreca@unipa.it.
2 Institute of Oncology Research, Faculty of Biomedical Sciences, USI, Bellinzona, Switzerland; Oncology Institute of Southern Switzerland, EOC, Bellinzona, Switzerland.
3 Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Palermo, Italy.