1 Division of Pharmacology, Department of Neuroscience, School of Medicine, "Federico II" University of Naples, Via Pansini, 5, 80131 Naples, Italy.
2 Fondazione IRCCS SDN, Via Gianturco, 113, 80143 Naples, Italy.
3 Division of Pharmacology, Department of Neuroscience, School of Medicine, "Federico II" University of Naples, Via Pansini, 5, 80131 Naples, Italy; Fondazione IRCCS SDN, Via Gianturco, 113, 80143 Naples, Italy. Electronic address: lannunzi@unina.it.