1 Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy.
2 Clinical Neurophysiology Research Unit, Oasi Research Institute-IRCCS, Troina, Italy; Department of Surgery and Medical-Surgery Specialties, University of Catania, Catania, Italy. Electronic address: giuseppe.lanza1@unict.it.
3 Department of Medical and Surgical Sciences and Advanced Technologies, University of Catania, Catania, Italy.
4 Clinical Neurophysiology Research Unit, Oasi Research Institute-IRCCS, Troina, Italy.
5 Department of Medical Physiology, School of Medicine, Kyorin University, Tokyo, Japan.
6 Department of Human Neurophysiology, School of Medicine, Fukushima Medical University, Fukushima, Japan.