1. Neurofarba, Pharmaceutical and Nutraceutical Section, University of Florence, Via Ugo Schiff 6, 50019 Sesto Fiorentino, Italy
2. Department of Industrial Engineering, University of Florence, Via S. Marta 3, 50136 Florence, Italy
3. Department of Physiology and Biophysics, School of Medicine, University of Miami, 1600 N.W. 10th Avenue, Miami, FL 33136, USA